10th grade science experiment

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10th Grade Science Projects: Model Building, Farming, Experiments, And Investigations

March 20, 2024 //  by  Sharayah Lynn Grattan

It’s tenth grade and things are getting serious now in the science department! Tenth-grade science projects can include working with the periodic table, atomic theory, radiation, chemical bonds, and many more complex and reactive concepts. The fair is the time for your kids to show off everything they’ve learned, impress their classmates and teachers, and possibly win the grand prize! We’ve come up with this amazing list of science projects with the most explosive and energetic ideas to inspire your kids to get their mad scientist vibes on! Read on and see which ones will be show-stoppers at your next fair!

1. Groovy Airplane

Did you know that the dimples on the outside of a golf ball actually make it more aerodynamic? What if we added grooves like that on airplane wings? Have your kids make their own miniature airplane with a wooden frame and airfoils. Get them to add dimples in the wings that mimic those in a golf ball, and take it out for a flight. They can record their results and see if their hypothesis is correct!

Learn More: Google Science Fair

2. Alginate Farming

With environmental issues such as droughts and land shortages on the rise, a biological fair project is a great option! Alginate in gel form helps control the water-release rate, conserving water and distributing it with less evaporation to help in places where there is drought. Challenge your students to experiment with this substance in a plant bed to see its impact on seedling germination.

3. Density of Vegetables

This simple science experiment is straightforward and will have your kids determine the density of various fruits and veggies. Have them pick up some of their favorites, a pan, a jar, and a stove burner, and get testing. They’ll fill the jar with water and then put it into the pan. Next, they can place their veggie/fruit in the jar and see if it sinks or floats and record the correlation between density, by measuring the volume of displaced water.

Learn More: Education

4. Cardboard Solar Lamp

Inspire your renewable energy engineers of the future! This science project uses recycled cardboard and a few other basic art supplies, as well as some electronic parts to harness the power of solar energy and create a lantern! The final product should be chargeable by the sun, as well as rechargeable with an electrical adapter.

Learn More: Instructables

5. Wet and Dry Worms

This is some science for kids who like creepy crawlers! It’s very simple to set up using basic materials: a pot of wet soil, a pot of dry soil, and some worms. Instruct your kids to put the same amount of worms in each pot, then watch and record their tunneling patterns to see if one soil type is easier to maneuver through than the other.

Learn More: Science Buddies

6. Bottle Rockets

This is one of those classic science experiments that always makes an impact. Task your little scientists to build a homemade bottle rocket using STEM concepts as well as some common household ingredients like colored vinegar and baking soda. They’ll follow the instructions for assembly and get creative with the decoration, then it’s time to stand back and launch!

Learn More: Steam Powered Family

7. Fight Back Against Germs

If your kids are interested in microbiology and how soap can fight off germs, then this is the project for them! They’ll only need four simple ingredients; a tray, water, soap, and glitter. The glitter will act like “germs”, so when the water and dish soap combine, the glitter moves away from the soap! It’s the perfect demonstration to help them explain how important soap is in fighting infections!

Learn More: Living Life And Learning

8. Cell Phone Radiation

This one might make your kids think twice about how long they spend on their phones! In this science fair experiment, they’ll measure cell phone radiation to see if the energy transfer is at levels dangerous to humans. They can use an RF meter to test fair-goers’ smartphones and other electronic devices to see which emits the most radiation! 

Learn More: Bakers Field

9. Fuel-less Cars

Your tenth-grade students are probably starting to learn how to drive and are all about cars! This means it’s the perfect time for them to test out electric forms of travel and see if we can engineer more environmentally safe means of travel for the future. To get started on this engineering challenge your kids will need some materials that can be easily found at a hardware store! Have them follow the instructions and see if their electric car can go!

Learn More: YouTube

10. How Different Drinks Affect Your Bladder

This experiment is not for the faint-hearted! Your kids will try out different drinks and measure the effects that each one has on their bladder! They’ll set a time limit to finish their drink (some options are bottled water, coffee, Gatorade, or juice) and then measure how much urine is produced in the set period that follows. Let your kids be as creative as they with what liquids they choose to test! 

Learn More: Steemit

11. Speed of Light: Air vs. Water

Measure if the speed of light is affected by the medium it’s traveling through! Your kids will try out a whole host of different materials and use some special equipment to measure just how quickly the light reaches the other side. This physics-based experiment is perfect for your tenth-graders who like a bit of a challenge!

12. The Power of Citrus

This cool science experiment uses some of your kids’ favorite foods, fruit! Pick up a variety of fruits from your local market, including some citrus ones, and let your students hook them up to an LED light with a multimeter to see which fruit produces the most electricity! Let them make predictions about which fruit works as the best power source for the light!

Learn More: Go Science Girls

13. Homerun Hitters

Do you have any baseball fans? They’ll love this science fair project which involves watching baseball games and collecting data on the different players’ streaks and slumps! Many sports fans and commentators talk about streaks in baseball when a player is consistently doing well and is unlikely to mess up. Is this possible to predict or are these coincidences? Let them use the scientific method to find out!

Learn More: Pinterest

14. Ocean Currents

Do a deep dive into the ocean with this project idea. Your learners will use food coloring to make colored water to demonstrate how ocean currents move! Instruct them to set up a dish with iced water to replicate the ocean- they could even add a few whales and other sea creatures too! Then have them show the effects of adding warmer water into their ice-cold oceans and wow fair-goers as the currents are revealed! 

Learn More: Life Over CS

15. Bird Beak Investigations

Why do birds have beaks, and why are they all different shapes and sizes? For this simple science experiment, you will need a few types of materials that behave like the beaks of different bird species. Spoons, straws, chopsticks for the beaks, some liquids, and small objects mimicking the food. Use the imitation beaks and try to pick up various possible bird foods to see which work best and give reasons why.

Learn More: Adventures in Mommydom

16. Wind-Powered Energy

Does your class have a passion for renewable energy? Challenge them to construct their own windmill to see how kinetic energy works! Using some basic craft supplies and recycled materials they can build their own working windmill! This project is sure to show off their engineering mindset and construction abilities; it might even win them the tenth-grader prize!

17. Moon Phases

This edible earth science experiment can use everyday foods, they just have to be round. This example uses Oreos, but your budding astronomers can use crackers, veggie slices, or whatever floats your boat! They’ll impress their classmates with a detailed explanation of the moon phases and as an added bonus, have some delicious food samples to try and win over the judges with!

Learn More: Optics Central

18. Room Heater

This ingenious tenth-grade science project can be done in a classroom lab or at home. Your savvy students will be able to explain how energy conversion works while lowering utility bills! This engineering project can be a little difficult to assemble and requires some specialist parts that you’ll need to source for them. Your kids may need a little help, but the final project will be a real contender to win the fair for sure!

Learn More: Pak Science Club

19. Natural Antibiotics vs. Synthetic Antibiotics

When it comes to antibiotics, are manmade versions better than naturally occurring ones? Your kiddos will be able to answer this question once they’ve presented this science project! They’ll put both antibiotics into Petri dishes with some E. coli bacterium and see which kills the bad bacteria the quickest! Which do you think will win out?

20. Analyzing Air Quality

This project will have your students test the air quality. They can conduct the experiment inside or outside and they will only need a few materials to test and then record their findings. They’ll smear some petroleum jelly onto some graph paper and then leave it in the area they want to test. After a while, have them retrieve their paper and examine the results! 

21. What Causes Iron to Rust?

Did you know that rust is actually the result of a chemical reaction? Let them experiment with this form of corrosion by putting nails in different conditions, such as dry, wet, air-free, and salty, and compare them after three days to see which ones have rusted!

Learn More: Royal Society Of Chemistry

22. Effect of Acid Rain on Plants

Your students will learn about acid rain with this next experiment. Task them with using bean seeds, soil, vinegar, water, pH paper, and some other simple materials to figure out how acid rain negatively affects plants. Afterward, you can have them discuss pollution and how we can do our part to protect the environment.

Learn More: Study

23. Exploring Groundwater

Take your tenth-graders’ learning to the ground! Challenge them to explore how porosity and permeability work with this fun experiment that investigates the way soil absorbs groundwater and how it can change depending on certain conditions. They can replicate different soil conditions using differently sized gravel, then add water to see how fast it makes its way through!

Learn More: NOAA

24. Identifying Rocks

Have you ever wondered about the different types of rocks? I know I have! Give your kiddies the chance to get hands-on and explore rocks with this project. They’ll use a steel nail to scratch the rocks and use the provided scale to determine how hard or soft the rock is. Why not have them present their findings at the next science fair?

Learn More: Teach Beside Me

25. DIY Tin Can Planters

You don’t have to have a green thumb to create your own tin can planters! This is a super way to show your learners the benefits of repurposing and sustainability as they put their planters together. You could even have them get creative and paint their own planters!

Learn More: Youth Sustainability

26. DIY Rain Gauge

If you’ve got a topic coming up around weather then this project will be a great fit! Test your kids’ ingenuity by having them build their own rain gauge from recycled materials and then put it outside to collect the rainwater. It’s then up to them to track how much rainwater they collect over a set time and compare it with their peers!

27. Seasons Experiment

Open your tenth graders’ eyes to how the tilting of our planet affects the sunlight hours and creates the seasons. Invite your kids to discuss their favorite seasons and the key differences between each one as they work! Be sure to have a flashlight on hand for this fun experiment.

Learn More: Scientific American

28. Tornado in a Jar

Never mind a storm in a teacup, here’s a tornado in a jar! This is a quick experiment that can answer some questions your students may have about tornadoes! Direct your learners to Kids fill up a jar with water, add some dish soap and food coloring, and then put the lid back on. Next, have them swirl the jar in a circular motion to form the tornado. What a fun way to introduce them to the forces at play in this weather phenomenon!

Learn More: One Little Project

29. Making a Volcano

Take the classic volcano experiment to the next level with this project! After each eruption of their baking soda and vinegar volcanoes, have your kids draw around the lava flow. Mop up the liquid then use Play-Doh to mold the lava flow. Reset the volcano and go again, and again! Each time, use a new color of Play-Doh until you have a fully formed volcano! Cool, right?

Learn More: NASA

30. Exploring Light

Teach your teens about the properties of light with this interesting project. They’ll explore how a rainbow is formed, how light affects security systems, and learn about radiation! This resource includes worksheets and reference sheets that they can use to guide them through completing the project. They’ll just need a flashlight and a few other easy-to-find materials to get started with.

Learn More: Teach Engineering

31. Rock Candy Crystals

Your high schoolers will be enchanted with this fun project where they can grow their own crystals that they can even eat! They’ll mix up a sugar and water solution with some hot water, then follow the instructions to dip their string or stick into the solution then leave the crystals to form! 

Learn More: Science Fun

32. Soil Erosion

Explore the science of soil erosion with your teens! Challenge your kiddies to put together a working model that will show the process of soil erosion when they add water to demonstrate rainfall. As they watch the effect that the water has on buildings and greenery, you can encourage them to compare results and consider the real-world implications of this!

33. Layers of the Earth

This science-fair-worthy project helps your kids learn all about the layers of the earth. Let their creativity shine as you leave it up to them to decide if they want to construct a 3D model or simply design an educational project. Whatever they choose, you can encourage them to label each layer from the core to the crust to show that they know their stuff!

Learn More: Building A Classroom Of Ideas

34. Making Magnetic Ferrofluid

There’s just no question about it; ferrofluid is so cool! Your kiddos will love getting the chance to make their own ferrofluid, which is a fluid that contains magnetic shavings. All they’ll need to do is mix some magnetic inc with household oil, and then they’re ready to hold a magnet up to their mixing cup and watch the mixture turn from liquid to solid!

35. Compost Cups

Your students will learn about the process of decomposition with this next science project. Get them to put together their own compost cups by collecting some leaves, and placing them in a plastic cup. They’ll then seal up the cups and leave them in a warm, sunny spot and be able to check in on them as their compost starts to form! This project is a great way for them to see how natural items are broken down and returned to soil form!

Learn More: The Happy Housewife

36. Homemade Weather Station

Calling all budding meteorologists! Dive into the world of weather by having your kiddies make their own weather stations to measure rainfall, temperature, and the direction and speed of wind. They’ll use easy-to-find materials to build their stations and can record their observations on the printable worksheet included.

37. Seed Germination Experiment

This amazing high school biology lesson pack is a super resource! Using the resources provided, you’ll teach your kids about the conditions that seeds need to grow into healthy plants, such as soil type, water, and sunlight. Provide your kids the physical resources like seeds and soil, and let them use the digital notebook in this pack to keep them right and record their results!

Learn More: Teachers Pay Teachers

38. The Dirty Water Project

For the dirty water project, your students will work in teams to learn more about water pollution and solutions. They’ll need to act as problem solvers, as their job is to remove the pollutants from the water through filtration and aeration. They’ll test out a variety of methods and will write down the data they collect with their partners on which is most effective.

39. Chemical Reactions

Get the safety goggles ready for this fun experiment with Alka-Seltzer. Let your little scientists compare the rate of chemical reactions under normal pressure and high pressure using different temperatures of water and Alka-Seltzer fizzing tablets. Encourage your class to make predictions and then put them to the test!

Learn More: Alka-Seltzer

40. Elephant Toothpaste

What list of science projects would be fully complete without the amazing elephant toothpaste experiment? Making elephant toothpaste is an extremely fun and exciting activity for your tenth-grade science students. Under your supervision, they’ll use high-volume hydrogen peroxide, dish soap, food coloring, water, and active dry yeast, to create a foam that looks like a very large burst of toothpaste! 

41. Build a Working Robot

Robots make great science projects! Your students will love the challenge of learning to build and code their own robots! These kits are a little expensive, ranging from $50-$100, but if your department is looking for a new great resource, this could be the answer. It will challenge your kids on everything from the digital aspect to more physical problems like balancing their bot so that it doesn’t fall over! 

42. Testing for Starch in Leaves

Explore photosynthesis with your high schoolers! They’ll use boiling water and ethanol to extract chlorophyll from plant cells and then use iodine to test for starch. This is if the indicator changes color, then they’ll know that photosynthesis has taken place. They’ll find it super interesting to see how the leaves change colors!

Learn More: Emma the Teachie

43. Hydrophobic Sand

Hydrophobic sand is sand that doesn’t get wet, even when it encounters water! Let your kiddies learn about the scientific concept behind this phenomenon while working on this science project! They’ll need colored sand, water, a water-repellant fabric protector, a disposable plate, a fan, a plastic spoon, and a cup to get started with this fascinating project!

44. Solar Oven

This solar oven is a fantastic project for tenth graders! They’ll demonstrate how the sunlight can provide enough power and heat to actually cook food! Materials used in this project include a cardboard box, foil, thermometer, black construction paper, and other basic household items. 

Learn More: Jennifer Findley  

45. Electrolysis of Water Experiment

What exactly are electrolytes? During this experiment, your science students will learn all about them and how they affect electrical currents! You’ll need test tubes, a small plastic cup, pushpins, and a battery, then your kids are all set to compare the electrolytes in distilled water, tap water, baking soda, lemon, salt, and dishwashing detergent. Don’t forget to have them record their observations to discuss later!

46. Density Tower

Create a density rainbow! Let your kiddies use different solutions with varying densities to create a tower with nine distinct layers. They can use simple kitchen items like honey, milk, water, vegetable oil, maple syrup, and more. Once the tower is in place, have them drop various items in the tower to see if they sink or float. 

Learn More: Wonder How To

47. Freeze Water Instantly

In this project, your pupils will learn how supercooled water can turn into ice in an instant through nucleation. You can supercool your water by placing it in a freezer for around two hours, then pour it onto an ice cube and watch the magic happen! This project is guaranteed to amaze your kiddos and have them wanting to learn more about nucleation

Learn More: Only Passionate Curiosity

48. What Makes Popcorn Pop?

Your students may be surprised to learn about the science involved in making popcorn! During this project, they’ll observe and compare different brands of popcorn, recording the number of kernels popped and unpopped, how moisture affects the ability to pop, and other interesting variables. The best part is, they can eat the popcorn once they’ve finished making their scientific observations!

Learn More: Popcorn

49. Ice Cube vs. Water

Can a thin piece of wire and two bottles of water cut through an ice cube? Your science students are going to find out! They’ll use a thin wire and weigh it down with a bottle of water tied to each end, placing the wire onto an ice cube. Spoiler alert: it does work! They’ll be amazed to see the wire cut through the ice cube with the right conditions!

Learn More: KiwiCo

50. Heart Pump Model

This heart pump model makes for an excellent science fair project for your tenth-grade biology students. They’ll put together their model using plastic bottles, bendy straws, balloons, and some other simple materials to demonstrate how the heart pumps blood throughout the body. They’re sure to gain a whole new appreciation of their hard-working hearts after completing this project!

Learn More: Tina’s Dynamic Homeschool Plus

51. Vitamin C Content in Fruit Juices

How much vitamin C does a glass of orange juice contain? Have your kiddos test different fruit juices to figure out how much vitamin C each one has! They’ll use a DCPIP solution as their indicator and will drip the fruit juice into it slowly, shutting it off as soon as the solution loses its blue color. They can then measure how much of each juice was required to change the color of the indicator and compare!

Learn More: Snap Biology

52. Apple Oxidation

Test out different methods of preservation with this simple experiment! Have your kids place apple slices in different solutions to see how they affect each one. They can set up a control (i.e. an apple not dipped in anything) and use this as their comparison. The results of what helps to preserve the apple and stop it from turning brown might be surprising!

Learn More: Jennifer Findley

53. Slime Science

Kids never tire of playing with slime, so they’ll be thrilled when you announce that their next science project is all about the science of slime! Have them work through this list of slime recipes and observe how different chemical makeups create different textures of slime! They’ll love making and playing with different samples and recording observations of the differences!

Learn More: Hess Unacademy

Best Science Fair Project Ideas For 10Th Graders

Science fairs are an exciting opportunity for 10th grade students to demonstrate scientific thought, knowledge, and creativity. Coming up with an interesting idea that fits your skills and available resources can be the hardest part.

If you’re short on time, here’s a quick answer for great 10th grade science fair ideas: Test an original hypothesis by experimentally investigating physics concepts like motion and energy, chemically analyzing everyday products, or using data science to study health, social or environmental topics .

In this comprehensive guide, we provide dozens of great science fair project ideas for 10th graders in physics, chemistry, biology, data science, and more. We’ll also discuss important factors in choosing a project, conducting strong experiments, analyzing data effectively, and putting together an eye-catching display.

Physics Science Projects

Motion and speed experiments.

One fascinating area of physics to explore for 10th-grade science fair projects is motion and speed. Students can design experiments to investigate various aspects of motion, such as acceleration, velocity, and forces.

For example, they can create a simple ramp and measure the time it takes for different objects to roll down and reach the bottom. They can also explore how different variables, like the angle of the ramp or the surface material, affect the speed of an object.

These experiments not only allow students to understand the fundamental principles of motion but also encourage them to apply their knowledge to real-world scenarios.

Thermodynamics and Heat Transfer

Thermodynamics and heat transfer are essential concepts in physics, and they offer numerous project possibilities for 10th-grade students. An interesting experiment could involve investigating the relationship between temperature and the rate of heat transfer.

Students can set up different containers of water at various temperatures and measure how quickly they cool down. They can also explore how different materials, such as metals or insulators, affect heat transfer.

This project not only helps students understand the principles of thermodynamics but also allows them to apply their knowledge to everyday situations, like insulation in homes or energy-efficient appliances.

Sound, Light, and Electromagnetism

The fields of sound, light, and electromagnetism provide excellent opportunities for 10th-grade students to explore physics concepts through hands-on experiments. Students can design projects to investigate the properties of sound waves, such as frequency and amplitude.

They can also explore the behavior of light, including reflection, refraction, and the formation of shadows. Additionally, students can delve into electromagnetism by building simple circuits or investigating the relationship between electric current and magnetic fields.

These projects not only deepen students’ understanding of these phenomena but also spark their curiosity about the applications of physics in various technologies, such as speakers, lenses, and electric motors.

Chemistry Science Projects

Analyzing chemical properties.

One exciting area for chemistry science fair projects is analyzing chemical properties. Students can explore various substances and investigate their chemical composition, reactions, and properties. This can be done by conducting experiments such as testing the pH levels of different household liquids, investigating the effects of temperature on the rate of a chemical reaction, or examining the factors that affect the solubility of substances.

These projects not only provide hands-on experience but also enhance students’ understanding of chemical principles.

Food Chemistry Experiments

Food chemistry experiments make for fascinating science fair projects. Students can explore the chemical processes that occur during cooking, baking, or food preservation. They can investigate how different ingredients interact and affect the taste, texture, or color of food.

For example, a student could study the effects of pH on the coagulation of proteins in dairy products or analyze the oxidation of fruits and vegetables. These projects not only involve chemistry but also have practical applications in the kitchen.

Product Testing and Extraction

Another area of chemistry that offers great project ideas for 10th graders is product testing and extraction. Students can evaluate the chemical components of various consumer products, such as cleaning agents or personal care items.

They can analyze the effectiveness of different ingredients and compare the performance of commercial products. For instance, a student could test the pH of different brands of toothpaste or investigate the chemical properties of natural vs. synthetic dyes.

These projects allow students to apply their knowledge of chemistry to real-world scenarios.

Earth and Environmental Science Projects

Water conservation and quality.

Water conservation is a critical issue in today’s world, and there are several science fair project ideas that can help students understand the importance of preserving this precious resource. For example, one project idea could involve testing the water quality of different sources, such as tap water, bottled water, and rainwater, to determine which is the safest and most suitable for consumption.

Another project idea could focus on investigating ways to reduce water usage in everyday activities, like showering or watering plants.

Additionally, students could explore the impact of pollution on water quality by conducting experiments to test the effectiveness of different water filtration methods. This project could involve comparing the efficiency of various filtration systems, such as activated charcoal filters or UV light treatment, in removing contaminants from water.

For more information on water conservation and quality, visit https://www.epa.gov/water-research .

Renewable Energy

Renewable energy sources, such as solar and wind power, are becoming increasingly important in our efforts to combat climate change. Students can explore various aspects of renewable energy for their science fair projects.

One idea could be to build and test a small-scale solar panel or wind turbine to determine its efficiency in generating electricity. They could also investigate ways to optimize the performance of these devices by modifying factors such as the angle or position of the solar panel or the design of the wind turbine blades.

Another interesting project idea could involve comparing the energy output of different renewable energy sources. Students could research and construct models to demonstrate the energy production of solar, wind, hydroelectric, and geothermal power systems.

They could then analyze the data and draw conclusions about the most effective and sustainable sources of renewable energy.

For more information on renewable energy, visit https://www.energy.gov/eere/renewables .

Pollution and Recycling Studies

Pollution and recycling are critical environmental issues that can be explored through science fair projects. Students can investigate the impact of different types of pollution on the environment and living organisms.

They could conduct experiments to study the effects of air pollution on plant growth or the impact of water pollution on aquatic life. They could also explore ways to mitigate pollution, such as by experimenting with natural or technological solutions.

Recycling is another important topic that can be studied in science fair projects. Students can explore the effectiveness of different recycling methods, such as composting, plastic recycling, or paper recycling.

They could investigate factors that affect recycling rates, such as public awareness or access to recycling facilities, and propose strategies to increase recycling efforts in their communities.

For more information on pollution and recycling, visit https://www.epa.gov/pollution-prevention .

Biology, Health and Behavior Science Projects

Human body, senses and psychology.

Exploring the human body, senses, and psychology can be an exciting area for science fair projects. One interesting project idea is to investigate the effects of music on concentration. Students can design an experiment to test whether listening to different genres of music affects focus and productivity.

They can gather data by measuring participants’ performance on cognitive tasks while listening to different types of music. This project can provide valuable insights into the relationship between music and cognitive abilities.

Another intriguing project idea is to study the impact of color on mood and emotions. Students can design an experiment to determine whether different colors elicit specific emotional responses. They can collect data by conducting surveys or using biometric sensors to measure physiological changes associated with emotions.

This project can contribute to our understanding of how color influences human behavior and well-being.

Plant Growth and Ecosystems

Exploring plant growth and ecosystems is another captivating area for science fair projects. A project idea could involve investigating the effects of different types of fertilizers on plant growth. Students can set up an experiment with different fertilizers and measure the height, leaf size, and overall health of the plants over a specific period.

This project can provide insights into the best practices for promoting plant growth and maintaining healthy ecosystems.

Another fascinating project idea is to study the impact of light intensity on photosynthesis. Students can design an experiment to determine how varying levels of light affect the rate of photosynthesis in plants.

They can measure the oxygen production or the growth of the plants as indicators of photosynthetic activity. This project can contribute to our understanding of the factors that influence plant growth and the role of photosynthesis in ecosystems.

Data Science for Health Trends

Data science is an emerging field that can be utilized for science fair projects related to health trends. One project idea is to analyze public health data to identify patterns and trends in the occurrence of diseases.

Students can use available datasets from reputable sources such as the World Health Organization or the Centers for Disease Control and Prevention. By applying data analysis techniques, they can uncover valuable insights that can inform public health interventions and strategies.

Another compelling project idea is to develop a predictive model for disease outbreaks. Students can use historical data on disease outbreaks and relevant environmental factors to train a machine learning algorithm.

This model can then be used to predict the likelihood of future outbreaks based on current environmental conditions. This project combines the fields of data science and epidemiology, providing an opportunity to contribute to the prevention and management of diseases.

Choosing and Conducting Your Project

Select an original idea.

When choosing a science fair project idea, it is important for 10th graders to select an original concept that piques their interest. One way to do this is by brainstorming topics that align with their personal hobbies or areas of curiosity.

For example, if a student enjoys gardening, they could explore the effects of different fertilizers on plant growth. Alternatively, if they have a passion for technology, they could investigate the efficiency of different coding languages. The key is to select a project that is unique and engaging.

Write a Strong Hypothesis

Once a topic has been chosen, it is crucial to develop a strong hypothesis. A hypothesis is an educated guess or prediction about the outcome of an experiment. It should be specific, testable, and based on prior knowledge or research.

For instance, if the chosen topic is the effect of music on concentration, a strong hypothesis could be: “If students listen to classical music while studying, then their test scores will improve compared to those who study in silence.”

Writing a clear and concise hypothesis sets the foundation for a successful science fair project.

Follow the Scientific Method

When conducting a science fair project, it is essential to follow the scientific method. This systematic approach helps ensure valid and reliable results. The scientific method typically consists of the following steps:

• Ask a Question: Identify a problem or question that you want to investigate.
• Do Background Research: Gather information about your topic to develop a better understanding.
• Construct a Hypothesis: Formulate an educated guess about the outcome of your experiment.
• Test Your Hypothesis: Design and conduct an experiment to test your hypothesis.
• Analyze Your Data: Collect and analyze the data obtained from your experiment.
• Draw Conclusions: Make conclusions based on your analysis and determine if your hypothesis was supported.
• Communicate Your Results: Share your findings through a well-written report or presentation.

By following these steps, 10th graders can ensure that their science fair projects are conducted in a structured and scientific manner, increasing the chances of success.

For more information on choosing and conducting science fair projects, you can visit www.sciencebuddies.org .

Analyzing Data and Creating Your Display

Statistical analysis of results.

Once you have conducted your science experiment, it’s important to analyze the data you have collected. Statistical analysis helps you make sense of the numbers and draw meaningful conclusions. You can use various statistical methods to analyze your data, such as calculating averages, standard deviations, and correlations.

This will allow you to identify patterns, trends, and relationships within your data, providing a solid foundation for your project.

For more guidance on statistical analysis, you can refer to resources like Khan Academy or Statistics How To . These websites offer comprehensive explanations and step-by-step tutorials on various statistical concepts and techniques.

Effective Data Visualizations

Presenting your data in a visually appealing way is crucial to engage your audience and effectively communicate your findings. Creating clear and informative data visualizations can help your viewers grasp complex information more easily.

You can use graphs, charts, tables, and diagrams to represent your data visually.

When choosing the right type of visualization, consider the nature of your data and the message you want to convey. Bar graphs are great for comparing different categories, line graphs can show trends over time, and pie charts can illustrate proportions.

Make sure to label your axes, use colors strategically, and keep your visualizations simple and easy to understand.

Putting Together an Eye-catching Presentation

An eye-catching presentation is essential to impress the judges and showcase your hard work effectively. Your presentation should be well-organized, visually appealing, and engaging. Here are some tips to create an outstanding display:

• Clear and concise: Keep your text and explanations concise, focusing on the key points of your project.
• Visual appeal: Use colors, images, and diagrams to make your display visually appealing and attractive.
• Logical flow: Arrange your information in a logical order, guiding the viewer through your project step by step.
• Engaging elements: Incorporate interactive elements, such as videos or demonstrations, to captivate the audience’s attention.
• Practice: Rehearse your presentation multiple times to ensure a smooth delivery and confidence in your content.

Remember, your display is not only a visual representation of your project but also a reflection of your hard work and dedication. Invest time and effort into creating a captivating and professional presentation that will leave a lasting impression on the judges.

From physics to environmental science to data analysis, there are many cool science fair ideas for 10th grade students to choose from. Make sure to pick an original hypothesis you can systematically test and collect meaningful data on.

Analyze your results thoroughly using statistics and represent them visually through charts, graphs and tables. With these science project suggestions and tips, you’re sure to have an impressive and educational science fair experience.

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19 Knock-Out Ideas for the 10th Grade Science Fair

• Middle School Education

The science fair is an excellent opportunity for 10th grade students to showcase their skills and creativity. Here are 19 knock-out ideas for your next science fair project that’ll impress the judges and ignite your scientific spirit.

1. Solar Power: Explore the efficiency of solar panels and experiment with different conditions, angles, and materials to optimize energy output.

2. Memory Games : Investigate how various factors like sleep, exercise, or mental stimulation affect short-term memory retention.

3. Invisible Ink: Test and compare various methods of creating invisible ink with substances like lemon juice, milk, or vinegar.

4. Water Filtration: Design a simple, cost-effective water filtration system using everyday household materials.

5. Electromagnetic Levitation: Create a small-scale electromagnetic levitation device to demonstrate the principles of magnetic levitation.

6. The Effects of Caffeine: Examine the impact of caffeine on plant growth or study its effects on heart rate or reflexes in humans.

7. Biodegradable Plastics: Investigate different biodegradable materials and their effectiveness compared to traditional plastics in decomposing over time.

8. Natural Disinfectants: Test the antimicrobial properties of natural substances like garlic, honey, or essential oils against common household bacteria.

9. The Science Behind Baking: Explore how variables like temperature, baking time, and ingredient ratios affect the outcome of baked goods.

10. Forensic Science : Learn about fingerprint analysis techniques and compare their accuracy by experimenting with various methods.

11. Crystal Growth: Observe and analyze the differences in crystal growth when using different solutions and growing conditions.

12. Homemade Speaker: Construct a functioning speaker using magnets and household materials to explore the principles of sound waves and electromagnetism.

13. Composting Efficiency: Compare various composting methods and their effectiveness in breaking down organic waste over time.

14. DIY Hydroponics : Create an affordable, small-scale hydroponic system to experiment with plant growth in a soilless environment.

15. The Science of Popcorn: Investigate how factors like temperature, moisture content, and kernel size affect the popping success of popcorn.

16. Taste vs Smell: Conduct tests to examine how strongly your sense of smell influences taste perception.

17. Carbon Dioxide Levels: Monitor carbon dioxide levels in your home or school and analyze the effects of ventilation and plant life on air quality.

18. Cup Phone Acoustics: Design and test a cup phone system to explore the principles of sound transmission through solid materials.

19. Extracting DNA: Experiment with different techniques for extracting DNA from fruits or vegetables to observe their genetic material visually.

These 19 ideas are sure to kickstart your creativity and excitement for the upcoming science fair. Remember, the key to a successful project is curiosity, experimentation, and most importantly, having fun with science!

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10th Grade Science Projects: Ideas for a Winning Entry

Are you a 10th-grade student on the hunt for an exciting and impressive science project idea? You’ve come to the right place! In this guide, we’ll explore a range of engaging class 10 science project topics, spanning biology, chemistry, and physics. Whether you’re passionate about life sciences or prefer the mysteries of the physical world, we have science project ideas for class 10 that will spark your curiosity and impress your teachers.

Science Project Ideas for Class 10

When it comes to 10th-grade science projects, the possibilities are endless. Here are some intriguing science project ideas to consider:

Biology Projects for Class 10

• Investigate Plant Growth : Explore how different factors, such as light, water, and soil type, affect the growth of plants. You can design experiments to discover what plants need to thrive.
• Study Microorganisms : Delve into the microscopic world by investigating various microorganisms found in your environment. You can collect samples from different sources and analyze their characteristics.
• Explore Human Anatomy : Create a model or presentation that explores a specific aspect of human anatomy, such as the cardiovascular system, skeletal structure, or digestive system.

Chemistry Projects for Class 10

• Investigate Chemical Reactions : Choose a chemical reaction and conduct experiments to understand the factors that influence the rate of reaction. You can explore concepts like catalysts, temperature, and concentration.
• Analyze Household Chemicals : Test common household chemicals to determine their pH levels and chemical properties. This project can enhance your understanding of everyday substances.
• Create a Crystal Garden: Grow crystals using household materials. Experiment with different crystal-forming solutions and observe the fascinating crystal structures that emerge.

Physics Projects for Class 10

• Study the Physics of Motion : Investigate concepts related to motion, velocity, and acceleration. You can design experiments using objects like toy cars or pendulums.
• Explore Electricity and Magnetism : Build simple circuits to explore the principles of electricity. Additionally, investigate the behavior of magnets and their applications.
• Investigate Light and Optics : Conduct experiments to understand how light behaves, including topics like refraction, reflection, and the formation of images.

Science Exhibition Ideas for Class 10

• Renewable Energy Sources : Create a model or presentation that highlights renewable energy sources such as solar panels, wind turbines, or hydropower. Discuss their environmental impact and efficiency.
• Environmental Pollution : Investigate a local environmental issue, such as air pollution or water contamination. Propose solutions to address the problem and raise awareness.
• Space Exploration : Explore the wonders of the universe by researching celestial bodies, space missions, or the potential for human colonization of other planets.

Science Exhibition Working Models Ideas for Class 10

• Miniature Wind Turbine : Build a functional miniature wind turbine to demonstrate how wind energy can be harnessed to generate electricity. Calculate its efficiency.
• Water Filtration System : Design a model of a water filtration system that can purify contaminated water. Highlight its importance in providing clean drinking water.
• Solar Oven : Create a solar oven using simple materials to harness solar energy for cooking. Measure its ability to heat and cook food.

These science project ideas for class 10 are just the beginning of your scientific journey. Remember to choose a topic that genuinely interests you, as enthusiasm is the key to a successful project. As you embark on your exploration of the natural world, consider seeking guidance and resources from teachers, libraries, and online references.

Getting Started on Your Science Project

Now that you have several intriguing class 10 science project topics to consider, it’s time to get started. Here are some steps to guide you:

• Choose Your Topic: Select a project that aligns with your interests and aligns with your class curriculum.
• Research: Dive into books, online articles, and scientific journals to gather background information on your chosen topic.
• Plan Your Experiment: Design a clear and well-structured experiment or investigation. Create a detailed plan with variables, materials, and procedures.
• Gather Materials: Collect all the necessary materials and equipment for your experiment. Ensure you have everything in place before you begin.
• Conduct Experiments: Follow your experiment plan meticulously, recording observations and data accurately.
• Analyze Data: Use scientific methods to analyze your data and draw meaningful conclusions.
• Create Your Presentation: Organize your findings into a cohesive presentation or display board. Include clear visuals, charts, and diagrams to enhance your presentation.
• Practice Your Presentation: Practice presenting your project to friends, family, or teachers to refine your delivery and communication skills.
• Prepare for Questions: Anticipate questions that judges or viewers might ask and be ready with informed answers.
• Final Touches: Ensure that your project display is visually appealing and well-organized. Check for any spelling or grammatical errors in your written materials.
• Showcase Your Project: Participate in science exhibitions or school fairs to showcase your project. Be confident while presenting and share your enthusiasm with others.

Tips for a Winning Entry

Achieving success with your class 10 science project requires more than just a good idea. Here are some additional tips to make your entry stand out:

• Originality: Choose a unique angle or perspective for your project. Originality can captivate judges and viewers.
• Thoroughness: Ensure that your experiments are conducted meticulously, and data is collected with precision.
• Clarity: Present your findings and conclusions in a clear and understandable manner. Use visuals to simplify complex concepts.
• Creativity: Incorporate creative elements into your project to make it visually appealing and engaging.
• Relevance: Link your project to real-world issues or applications to demonstrate its significance.
• Time Management: Plan your project timeline wisely to avoid last-minute rushes.
• Seek Guidance: Don’t hesitate to seek guidance and feedback from teachers or mentors.
• Stay Curious: Maintain your curiosity throughout the project, and don’t be afraid to explore unexpected results.

Embarking on a 10th-grade science project is an exciting opportunity to explore your scientific curiosity and expand your knowledge. By choosing an intriguing topic, conducting thorough research, and following a structured approach, you can create a winning entry that showcases your skills and passion for science. Remember that science is all about discovery, so embrace the journey and enjoy the process of learning and experimentation.

If you’re interested in pursuing further studies in science or preparing for competitive exams, consider exploring Deeksha’s integrated coaching programs . Our holistic approach to education can provide you with the skills and knowledge needed to excel in your academic journey. Good luck with your science project, and may your discoveries shine brightly in the world of science!

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10th Grade Science Activities and Experiments

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10th Grade Science Fair Projects

Each experimental science project guides in this list contain all the steps you need to start and complete your science project. Information include Introduction, Question/Purpose, Variables, Sample Hypothesis, Sample Experiment designs, guides in creating data table, Graph, drawing Conclusion, writing an Abstract, writing Report. Engineering and display projects may have a different structure.

General Science Projects EX016 A Projector (Make a slide projector)

Physics Science Projects IP110 How is paint affected by temperature changes? IP111 How does temperature affect the elasticity of rubber? IP112 How does temperature affect the strength or adherence of glue? SP011 The mathematics of snowflakes SP022 The effect of solar activity on radio propagation SP033 Observations of magnetic permeability of different materials SP061 Index of refraction of liquids versus temperature SP062 Index of refraction of liquids versus amount of additive SP071 Crystal growth rates versus solution strengths, temperature, etc SP091 Experimenting with various separation techniques (e.g. electrophoresis) SP100 Make a universal Reflector SP421 Impact force of falling object  

Chemistry Science Projects SC021 Determination of the Thickness of Zinc on a piece of Galvanized Metal SC022 Distillation of Water from an Aqueous Solution Using a Disposable Apparatus SC023 Candy Chromatography SC024 A comparison of the Solubility of Carbon Dioxide in Water at Various Temperatures SC026 A Penny’s Worth of Hydrogen SC028 Determination of the Relative Viscosities of Liquids SC029 Discover a good antifreeze (Freezing Point Depression) SC030 Reactions Between Ions In Solution Using Consumer Materials SC031 Physical Properties and Intermolecular Bonding in Solids SC035 The Effect of Temperature on the Rate of Dissolving SC037 Balloon Race (The Effect of Temperature on the Rate of Reaction) SC039 The Effect of Concentration on the Rate of a Reaction SC040 Kinetic Experiments; Effect of concentration on the rate of reactions SC042 Catalysis Using Enzymes In Pineapple SC045 Activities of Metals SC047 Electrolysis of Water without a Hoffman Apparatus SC048 Making and Testing a Simple Galvanic Cell SC049 Tracking Electrons SC050 The Chemistry of Copper Plating SC051 Production of Synthetic Fiber SC054 Ion Exchange SC055 Make Iron Sulfate, Hydroxide, Oxide SC094 A study of saponification reactions SC095 A study of esterification SC101 Electrolysis of Potassium Iodide SC102 Magnesium Research SC110 Which fruits contain the most vitamin C? SC120 Compare fruits for their sugar contents  

Biology Science Projects SB011 The effect of sound on plants SB021 Plants in different environments (light intensity, color) SB031 The effect of nicotine, air, yeast on mold growth SB041 Factors affecting the strength of hair SB042 Factors affecting the growth of bacteria SB043 Factors affecting the growth of molds or yeast SB051 Experiment with Hydroponics SB071 The effectiveness of Antiseptics and soaps on household bacteria SB091 Comparing types of artificial light on plant growth SB101 Conditions necessary for the life of a brine shrimp SB121 Producing mutations in bacteria SB122 Producing mutations in yeast SB131 Best conditions for mushroom production SB141 The effects of ultrasonic on bacteria count SB142 The effects of antibiotics on bacteria count SB161 Reaction of planaria to pH, light and temperature conditions SB162 Reaction of paramecia to pH, light and temperature conditions SB171 Plant tropisms and growth hormones SB181 Transpiration rates for different plants and conditions SB191 Sugar level in plant sap at different times and dates SB211 A study of territoriality in mice SB221 A study of the cleaning habits of mice SB251 Learning and perception in animals and humans SB261 Studies of memory span and memory retention SB271 Age versus learning ability SB281 A study of the relation between physical exercise and learning ability SB291 Is audio or visual information better remembered SB292 Brain Hemispheres. SB301 The effect of bleaching and dyeing on hair SB311 A study of the percentage of DNA (by weight) in different species SB321 Factors affecting the enzyme’s reaction rates SB341 Factors affecting seed germination (e.g. soil temperature, pH) SB361 Factors affecting flowering SB391 Factors affecting Nodule Formation in Legumes SB401 Can household compounds (e.g. tea) be used to promote good health in plants SB411 Effects of cigarette smoke on the growth of plants SB421 The effects of water impurities on plant growth SB431 The effects of phosphates on aquatic plants SB451 The effect of excess salinity on plants SB501 The effects of electromagnetic fields on plants SB531 Does magnetizing seeds before planting affect growth SB541 The effects of XRay and other radiation on plants SB551 The effect of music of varying types and duration on plants SB561 Organic fertilizer versus chemical Fertilizer SB582 Toxicity of nicotine SB601 A study of stimuli that attract mosquitoes SB611 The factors affecting the rate at which a cricket chirps SB631 A study of diffusion through cell membranes SB641 Growing plants and animals by cloning SB651 Regeneration in sponges, Paramecia, Planaria, etc. SB701 Salivary Amylase and Starch Digestion SB702 Study and Experiment with Milk SB704 Comparison of the Effects of Inorganic Catalysts and Enzymes on Peroxide Decomposition SB707 Heat Content of Snack Foods SB708 Solubility and the Percent of Oil in Peanuts SB801 Homeopathy principles, facts and fictions  

Environmental Science Projects SV103 Study of adaptations of city flora to smog SV105 The effects of crowding (with the same or other species) on a certain plant SV106 Annual variations in the ecology of a body of water SV107 Study of a shoreline SV110 Study of the relation between vegetation and insects SV116 Study of air purification methods SV117 Efficient methods of breaking down crude oil in seawater SV118 Experimenting with microbial degradation of petroleum SV119 Experimenting with biodegradability SV121 Find an ink that would decompose for recycling paper SV122 Using solar energy to purify polluted or salt water SV123 Yeast: A Filtration Agent for Heavy Metals?  

Other Science Projects SE001 Design considerations for Solar Heated homes SE002 Design considerations for Solar-Cell powered homes SE003 study of propeller designs for wind generators SE004 Production of electrical energy from mechanical sources SE005 Study of efficient home insulation SE007 The effect of landscaping and architecture on energy consumption SE008 Efficiency studies on transformers SE009 The effect of temperature on resistance SE010 Study of formation of images on a T.V tube SE012 L.E.D illumination versus incandescent illumination in practice SE013 Voice communication with infrared light and fibre optics SE014 Find the maximum speed in fibre optic links SE015 Study of various phosphors in fluorescent lighting SE016 Structure versus strength in dams  

Note: Most projects are for more than one grade and selection depends on your previous knowledge about the subject. Do not select projects that you are not familiar with.

Winning Biology Science Fair Projects – For All Grades

• January 25, 2023
• Science Fair Ideas

Unlock the secrets of the natural world with these winning biology science fair project ideas .

Whether you’re interested in microorganisms, plant growth, or human anatomy, this list has something for everyone.

These project ideas are not only informative and intriguing, but also provide an opportunity to showcase your scientific skills and understanding.

Get ready to impress your judges and inspire your peers with these top-notch biology science fair project ideas.

Biology Science Fair Ideas – Grade Levels

Select the grade level specific to your requirement to go over the list of exciting and unique science fair projects.

Biology Science Fair Projects For Middle School 

Biology science fair projects for 5th grade, biology science fair projects for 6th grade, biology science fair projects for 7th grade, biology science fair projects for 8th grade, biology science fair projects for high school, biology science fair projects for 9th grade, biology science fair projects for 10th grade, biology science fair projects for 11th grade, biology science fair projects for 12th grade, biology science fair projects – college level, award winning biology science fair projects.

Check out our Winning list of Physics Science Fair Projects & Chemistry Science Fair Projects

Here is the list of our science fair projects designed specifically for middle school students to make them learn Biology with fun!

1. Animal Pyramid Working Model for land, air and water

2. Making a plant cell model

3. Making conservation of bird model

4. Making the life cycle model of a bird

5. Making a frog life cycle model

6. Making a 3-d model of the human digestive system

8. Making a 3-D Spinal cord model

9. Making a model of a section of the tooth 

10. Making a 3-d model of mitochondria

11. Making a 3D model coronavirus

12. Fight coronavirus model

13. Making a 3D model of a fungi

14. Colour Changing Flowers Experiment

15. Demonstrating different parts of a plant

16. Making a 3D model of amoeba

17. Making a 3-D root structure model

18. Growing plants without soil

19. Transpiration bell jar experiment

20. Building a ripe produce detector

21. Making a model of the food chain

22. Prove respiration in plants experiment

23. ‘Plants on the move’ experiment

24. Demonstrating geotropism in plants

25. Magic Bending Bone Experiment

26. Measuring the rate of photosynthesis

27. 3D Model of Ladybug Lifecycle

28. Testing for starch in plants

29. Demonstrating the sticking power of germs

30. Working model of photosynthesis

31. Seed germination experiment

32. Making a candy animal cell

33. 3-D model of the life cycle of a butterfly

34. Lifecycle of a Silkworm

35. Making a 3-d model of the human circulatory system

36. Making a 3-d model of the human respiratory system

37. Making the working model of a kidney

38. Demonstrating how camouflage protects insects from their predators

39. Creating biofuel from waste

40. Osmosis experiment using potato

41. Making a pulse counter

42. Working model of the human heart

43. Evaporation experiment

44. Brain on the plate using clay

45. A model of different types of pollution

46. Thirsty flower experiment

47. Demonstrating the effect of food colouring on plant cell growth

48. Microwave Water Plant Experiment

49. Making a neuron model

50. 3D working model of the human eye

51. Making an ozone layer model

52. Diffusion experiment

53. Model of a DNA strand

54. Demonstrating how animals stay warm

55. How do penguins stay warm and dry

56. Making a heartbeat clock

57. Effect of pepper extract on the growth of sunflower

58. Making a 3-D pollination model

59. Types of blood groups in human beings

60. Explaining Sickle Cell Anemia and its Prevention

61. Making a 3D model of the female reproductive system

Below is a list of our Biology science fair projects that demands a higher level of thought process and may need adequate safety measures for flawless execution. 

62. Demonstrating anaerobic respiration in plants

63. Making a 3-D model of chromosome

64. Leaf Chromatography experiment

65. Wet and dry worm experiment

66. Making a bio-luminescent lamp

67. Making a model of the water cycle

68. Mall’s half-leaf experiment

69. Easy capillary action movement

70. Demonstrating the importance of cell membrane using a balloon

71. Leaves changing colour experiment

72. Making a seed board

73. Making a 3-D model of a section of skin

74. Making an animal diorama

75. Creating biodegradable plastic

76. Making a 3D biodiversity model

77. Demonstrating leaves give out oxygen

78. Making a pollution catcher using petroleum jelly  

79. Finding out whether leaf size matters in plant transpiration rate

80. Does cigarette smoke affect plant growth

81. Do carnivores plants prefer certain types of insects

82. Create a Robotic Articulated Hand

83. Finding out can plant be genetically resistant to heavy metals

84. Demonstrate how the coronavirus affects our cells

85. Banana DNA extraction

86. Explaining what Genetically Modified Organisms

87. Demonstrating the usefulness of microorganisms using a 3D model

88. Making a 3-D Diaphragm model

89. Hydroponics farming working model

90. Hemodialysis working model

91. Making a miniature greenhouse farming model

92. Working model of a human arm

93. Demonstrating how DNA fingerprints are unique

94. How corona vaccine works

95. Miniature botanical garden model

96. 3-D drip-irrigation model

97. Making a solar-operated seed-sowing machine

98. Making a vertical farming model

99. Growing plants in micro-gravity

100. Uncovering hidden sugar in food

101. Finding out why all medicines are not pills.

102. Making a sea habitat diorama

It is true that some Biology projects at science fairs are innovative and end up winning awards. Here, look at some award-winning science fair projects that may inspire and excite you or instil a newfound love for Biology.

103. Making a plastoscope with plastic bottles

104. Demonstrating the role of planktons in marine life

105. Potential of rose petals in boosting the efficiency of solar cells

106. Demonstrating the importance of handwashing

107. Demonstrating the side of the leaf that takes in carbon-dioxide

108. Harvesting transparent and flexible energy using Bi-Layer Graphene

Try our list of science fair resources for project boards and project labels to present your winning science fair project.

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12 Award Winning Science Projects for 10th Graders

Published on march 8, 2018 at 7:58 am by sieni kimalainen in lists.

Here we are to find out which some award winning science projects for 10th graders are. If you’re out of ideas, we hope that you’ll pick something of the interest for you from the list.

So, you are a fresh high-schooler with huge ambitions, and science is the field you want to try yourself out. That’s great. But before considering award winning science fair projects for high school, you should first get some guidelines for conducting your project.

But if you already have experience from before, with award winning science fair projects for 9 th grade, then you can skip this introduction, because you are probably familiar with the topic. But, nevertheless, as the ancient Romans used to say – repetitio est mater studiorum (repetition is the mother of learning) it is not bad idea to go through it once more.

science photo/Shutterstock.com

Anyway, starting any science fair projects means thinking about it in general, and the first thing is, of course, choosing your field of interest, whether it is any particular field of biology, physics, earth sciences or whatever else. For a winning science project, you should also pay attention to current hot topics in science (if, you are not a genius which can think of something revolutionary, which is not impossible either). Such topics include environmental issues, health issues, resolving problems of pollution, food, but also some things that would make everyday life easier. Now when you have gotten your topic the first thing you should think about is making of a hypothesis: why you are doing this particular thing, why is it important, in which way does it help the science? A good and cogent hypothesis actually helps a lot; both with making your task clear to yourself and making it interesting and clear to the audience.

Next steps include (depending on the topic of course) preparing and making the experiment and/or gathering the data, analysis, and a conclusion or a resulting product in the end. Sounds easy, but it does not necessarily need to be (once again depending on the subject you have chosen). But, no need to worry, that’s why you have here examples of the award  winning science projects for 10 th graders that will be your guide for a good experimentation procedure and other steps of your project.

Anyway, from this very short introduction on the basics of scientific research, we go closer to our list. There were plenty of places where we got really interesting ideas on science projects, and the info on which the award winning science fair projects for 10 th graders are. These were, among others, Education , Science Project Resources , Julian’s Science Fair , All Science Projects , and   Home Science Tools (psst, if you are too lazy there are some last-minute fair project ideas you can check out on this website). It was a hard choice, in the end, making a proper list for the award winning science projects for 10 th graders, but from all the suggestions we have tried to pick the best ones and cover as much scientific fields as possible. But in the end, if you are going to win an award with your project or not, depends mostly on your effort. You can also check 10 Winning Science Fair Projects for High School for high school in general, not only for 10 th graders, including 11th grade science fair projects or science fair projects grade 12 for example.

And in the end just one more thing. These 10th grade science fair projects are project examples of already existing ones. Instead of copying them, you should rather use them as guidelines and ideas for something of your own and original. Think about them as an inspiration, and let’s see which those award winning science projects for 10 th graders are:

12. What is the better method of learning: reading or listening?

Field: psychology

This is an interesting topic that people often are puzzled about. And in the end, there are opinions that some people are just better at reading and observing while others are better learners by listening. Well, in this project you are going to debunk some myths.

Africa Studio/Shutterstock.com

Slideshow List XFinance physics science fair projects biology science fair projects botany competition high school biology competition high school physics competition high school zoology competition high school psychology science fair projects 10th grade science fair projects chemistry competition high school psychology competition high school biochemistry science fair projects science project ideas for class 10 environmental science fair projects engineering competition high school science fair projects for 10th grade botany related science fair projects biochemistry competition high school environmental competition high school zoology related science fair projects physics science fair projects grade 12 chemistry related science fair projects applied science competition high school Endangered species award winning project Building magnetometer award winning project Cell Phone Dead Zones award winning project engineering ideas for science fair projects CO2 and global warming award winning project award winning science projects for 8th graders applied science ideas for science fair projects 10 winning science fair projects for high school award winning science fair projects for 9th grade award winning science fair projects for 11th grade 12 award winning science projects for 10th graders award winning science fair projects for high school Impact of irradiation on vegetables award winning project Effect of electricity on plant growth award winning project Best Detergent for More DNA Extraction award winning project Determining alternative energy sources award winning project Flashlight powered by heat of human hand award winning project Examining the efficacy of bioethanol fuel award winning project 11th grade science fair projects or science fair projects grade 12 Effect of Rain on Dissolved Oxygen concentration award winning project What is the better method of learning: reading or listening? award winning project Show more... Show less

• Grades 6-12
• School Leaders

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45 Cool Chemistry Experiments, Demos, and Science Fair Projects

Don’t forget your safety equipment!

Bunsen burners, colorful chemicals, and the possibility of a (controlled) explosion or two? Everybody loves chemistry experiments! We’ve rounded up the best activities, demos, and chemistry science fair projects for kids and teens. Try them in the classroom or at home.

Easy Chemistry Experiments and Activities for All Ages

Chemistry science fair projects.

These chemistry experiments and activities are all easy to do using simple supplies you probably already have. Families can try them at home, or teachers and students can do them together in the classroom.

Mix up some magic milk

Kids love this colorful experiment, which explores the concept of surface tension. This is one of our favorite chemistry experiments to try at home, since the supplies are so basic and the results are so cool!

Taste the Rainbow

Teach your students about diffusion while creating a beautiful and tasty rainbow. You’ll definitely want to have extra Skittles on hand so your class can enjoy a few as well!

Learn more: Skittles Diffusion

Crystallize sweet treats

Crystal science experiments teach kids about supersaturated solutions. This one is easy to do at home, and the results are absolutely delicious!

Learn more: Candy Crystals

Make elephant-sized toothpaste

This fun project uses yeast and a hydrogen peroxide solution to create overflowing “elephant toothpaste.” You can also add an extra fun layer by having kids create toothpaste wrappers for their plastic bottles.

Blow the biggest bubbles you can

Add a few simple ingredients to dish soap solution to create the largest bubbles you’ve ever seen! Kids learn about surface tension as they engineer these bubble-blowing wands.

Learn more: Giant Soap Bubbles

Demonstrate the “magic” leakproof bag

So simple and so amazing! All you need is a zip-top plastic bag, sharp pencils, and some water to blow your kids’ minds. Once they’re suitably impressed, teach them how the “trick” works by explaining the chemistry of polymers.

Learn more: Leakproof Bag

Use apple slices to learn about oxidation

Have students make predictions about what will happen to apple slices when immersed in different liquids, then put those predictions to the test! Finally, have them record their observations.

Learn more: Apple Oxidation

Float a marker man

Their eyes will pop out of their heads when you “levitate” a stick figure right off the table. This experiment works due to the insolubility of dry-erase marker ink in water, combined with the lighter density of the ink.

Learn more: Floating Marker Man

Discover density with hot and cold water

There are a lot of easy science experiments you can do with density. This one is extremely simple, involving only hot and cold water and food coloring, but the visuals make it appealing and fun.

Learn more: Layered Water

Layer more liquids

This density demo is a little more complicated, but the effects are spectacular. Slowly layer liquids like honey, dish soap, water, and rubbing alcohol in a glass. Kids will be amazed when the liquids float one on top of the other like magic (except it is really science).

Learn more: Layered Liquids

Grow a carbon sugar snake

Easy science experiments can still have impressive results. This eye-popping chemical reaction demonstration only requires simple supplies like sugar, baking soda, and sand.

Learn more: Carbon Sugar Snake

Make homemade bouncy balls

These homemade bouncy balls are easy to make since all you need is glue, food coloring, borax powder, cornstarch, and warm water. You’ll want to store them inside a container like a plastic egg because they will flatten out over time.

Learn more: Make Your Own Bouncy Balls

Create eggshell chalk

Eggshells contain calcium, the same material that makes chalk. Grind them up and mix them with flour, water, and food coloring to make your very own sidewalk chalk.

Learn more: Eggshell Chalk

Make naked eggs

This is so cool! Use vinegar to dissolve the calcium carbonate in an eggshell to discover the membrane underneath that holds the egg together. Then, use the “naked” egg for another easy science experiment that demonstrates osmosis .

Learn more: Naked Egg Experiment

Turn milk into plastic

This sounds a lot more complicated than it is, but don’t be afraid to give it a try. Use simple kitchen supplies to create plastic polymers from plain old milk. Sculpt them into cool shapes when you’re done.

Test pH using cabbage

Teach kids about acids and bases without needing pH test strips. Simply boil some red cabbage and use the resulting water to test various substances—acids turn red and bases turn green.

Learn more: Cabbage pH

Clean some old coins

Use common household items to make old oxidized coins clean and shiny again in this simple chemistry experiment. Ask kids to predict (hypothesize) which will work best, then expand the learning by doing some research to explain the results.

Learn more: Cleaning Coins

Blow up a balloon (without blowing)

Chances are good you probably did easy science experiments like this when you were in school yourself. This well-known activity demonstrates the reactions between acids and bases. Fill a bottle with vinegar and a balloon with baking soda. Fit the balloon over the top, shake the baking soda down into the vinegar, and watch the balloon inflate.

Learn more: Balloon Experiments

Assemble a DIY lava lamp

This 1970s trend is back—as an easy science experiment! This activity combines acid/base reactions with density for a totally groovy result.

Explore how sugary drinks affect teeth

The calcium content of eggshells makes them a great stand-in for teeth. Use eggs to explore how soda and juice can stain teeth and wear down the enamel. Expand your learning by trying different toothpaste and toothbrush combinations to see how effective they are.

Learn more: Sugar and Teeth Experiment

Mummify a hot dog

If your kids are fascinated by the Egyptians, they’ll love learning to mummify a hot dog. No need for canopic jars ; just grab some baking soda and get started.

Extinguish flames with carbon dioxide

This is a fiery twist on acid-base experiments. Light a candle and talk about what fire needs in order to survive. Then, create an acid-base reaction and “pour” the carbon dioxide to extinguish the flame. The CO2 gas acts like a liquid, suffocating the fire.

Send secret messages with invisible ink

Turn your kids into secret agents! Write messages with a paintbrush dipped in lemon juice, then hold the paper over a heat source and watch the invisible become visible as oxidation goes to work.

Learn more: Invisible Ink

Set popcorn dancing

This is a fun version of the classic baking soda and vinegar experiment, perfect for the younger crowd. The bubbly mixture causes popcorn to dance around in the water.

Learn more: Dancing Popcorn Experiment

Shoot a soda geyser sky-high

You’ve always wondered if this really works, so it’s time to find out for yourself! Kids will marvel at the chemical reaction that sends diet soda shooting high in the air when Mentos are added.

Learn more: Mentos and Coke Experiment

All of these chemistry experiments are perfect for using the scientific method. Form a hypothesis, alter the variables, and then observe the results! You can simplify these projects for younger kids, or add more complexity for older students.

Break apart covalent bonds

Difficulty: Medium / Materials: Medium

Break the covalent bond of H 2 O into H and O with this simple experiment. You only need simple supplies for this one. Turn it into a science fair project by changing up the variables—does the temperature of the water matter? What happens if you try this with other liquids?

Learn more: Breaking Covalent Bonds

Measure the calories in various foods

Are the calorie counts on your favorite snacks accurate? Build your own calorimeter and find out! This kit from Home Science Tools has all the supplies you’ll need.

Detect latent fingerprints

Forensic science is engrossing and can lead to important career opportunities too. Explore the chemistry needed to detect latent (invisible) fingerprints, just like they do for crime scenes!

Learn more: Fingerprints Project

Use Alka-Seltzer to explore reaction rate

Difficulty: Easy / Materials: Easy

Tweak this basic concept to create a variety of high school chemistry science fair projects. Change the temperature, surface area, pressure, and more to see how reaction rates change.

Determine whether sports drinks really have more electrolytes than other beverages

Difficulty: Medium / Materials: Advanced

Are those pricey sports drinks really worth it? Try this experiment to find out. You’ll need some special equipment for this one; buy a complete kit at Home Science Tools .

Turn flames into a rainbow

You’ll need to get your hands on a few different chemicals for this experiment, but the wow factor will make it worth the effort. Make it a science project by seeing if different materials, air temperature, or other factors change the results.

Discover the size of a mole

The mole is a key concept in chemistry, so it’s important to ensure students really understand it. This experiment uses simple materials like salt and chalk to make an abstract concept more concrete. Make it a project by applying the same procedure to a variety of substances, or determining whether outside variables have an effect on the results.

Learn more: How Big Is a Mole?

Cook up candy to learn mole and molecule calculations

This edible experiment lets students make their own peppermint hard candy while they calculate mass, moles, molecules, and formula weights. Tweak the formulas to create different types of candy and make this into a sweet science fair project!

Learn more: Candy Chemistry

Make soap to understand saponification

Take a closer look at an everyday item: soap! Use oils and other ingredients to make your own soap, learning about esters and saponification. Tinker with the formula to find one that fits a particular set of parameters.

Learn more: Saponification

Uncover the secrets of evaporation

Explore the factors that affect evaporation, then come up with ways to slow them down or speed them up for a simple science fair project.

Learn more: Evaporation

More Chemistry Experiment Science Fair Ideas

These questions and prompts can spark ideas for unique chemistry experiments:

• Compare the properties of sugar and artificial sweeteners.
• Explore the impact of temperature, concentration, and seeding on crystal growth.
• Test various antacids on the market to find the most effective product.
• What is the optimum temperature for yeast production when baking bread from scratch?
• Compare the vitamin C content of various fruits and vegetables.
• How does temperature affect enzyme-catalyzed reactions?
• Investigate the effects of pH on an acid-base chemical reaction.
• Devise a new natural way to test pH levels (such as cabbage leaves).
• What’s the best way to slow down metal oxidation (the form of rust)?
• How do changes in ingredients and method affect the results of a baking recipe?

Like these chemistry experiments? Don’t miss STEM Activities for Kids of All Ages and Interests .

Plus, get all the latest teaching news and ideas when you sign up for our free newsletters.

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70 Best High School Science Fair Projects in Every Subject

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• School Education /

21 Easy Topics for Science Projects for Class 10 Students

• Updated on  
• Jan 30, 2024

Science becomes engaging and attractive when you participate in projects that provide hands-on experiences and encourage you to tickle your creativity. Furthermore, working on science projects helps you become analytical and acquire problem-solving skills. Also, when you build a project from scratch and observe all the developments over time, you discover how to find answers through experimentation and research. If you are a 10th-grade student who wants to leverage all these benefits, then you should go through the list of Science projects for Class 10 students mentioned in the blog. 

Table of Contents

• 1.1 1. Simple Pendulum Project
• 1.2 2. Ohm’s Law Verification Project
• 1.3 3. Sound Waves and Frequency Relationship Investigation
• 2.1 1. pH Levels in Household Products Calculation
• 2.2 2. Rust Formation and Prevention Experiment
• 2.3 3. Chemical Reactions in Cooking
• 3.1 1. Microorganisms in Food Spoilage
• 3.2 2. Photosynthesis and Light Intensity Project
• 3.3 3. Genetic Variation in Plants Project
• 4 Other 12 Ideas for Science Projects for Class 10 Students

Also Read: 16 Easy Topics for Science Projects for Class 7 Students

Science Projects for Class 10: Physics

You can learn all concepts of the Physics Class 10 syllabus through experiments, projects, and models as these give you a practical understanding of theoretical concepts. To help you in this endeavour, we have enlisted some ideas for Science projects for Class 10 here. Experiment and explore!!

1. Simple Pendulum Project

To conduct a simple pendulum experiment, suspend a mass from a rigid support, measure the length, and determine the displacement angle. Thereafter, record the time it takes for one complete oscillation as the period. You have to repeat the experiment at different heights. Now, analyse the data to explore the relationship between pendulum length and period. You need to ensure safety measures and keep swings small for accurate results.

 This classic physics experiment helps us understand periodic motion. Also, it helps us learn about the factors that affect periodic motion. 

2. Ohm’s Law Verification Project

To verify Ohm’s Law, you need to set up a simple circuit with a power source, an ammeter, a voltmeter, and resistors of varying values. In the circuit, connect the components in series. After that, record current and voltage readings at different resistor values. According to Ohm’s Law (V=IR), the voltage (V) should be directly proportional to the current (I) across the resistor, validating its linear relationship. Therefore, you have to use a range of resistances to observe consistent results to verify the law.

Therefore, this experiment will help you understand and apply the fundamental relationship between voltage, current, and resistance in electrical circuits.

3. Sound Waves and Frequency Relationship Investigation

To identify the relationship between sound wave frequency and pitch, you can use tuning forks and a frequency counter. Start by striking the tuning fork. Now, place the tuning fork near the frequency counter’s microphone. Thereafter, record the frequency displayed on the counter. You must repeat the process with tuning forks of varying sizes. Higher frequencies correspond to higher pitch. 

This experiment demonstrates the direct connection between sound wave frequency and perceived pitch. This connection explains the principle that higher frequencies result in higher-pitched sounds. Therefore, the project provides a hands-on experience for you to understand the concept of how frequency influences the auditory perception of pitch.

Also Read: Physics Project for Class 12: Top 50 Ideas & Experiments

Science Projects for Class 10: Chemistry

In this section, we have some common topics for Science Projects for Class 10 to enable you to understand Chemistry better. Create and conquer!!

1. pH Levels in Household Products Calculation

To test pH levels in household items at school, you need to gather samples of cleaning products, beverages, and fruits. Use pH strips or a pH meter, available in science supply stores. Now, dip the strips into the liquid samples or immerse the pH meter probe, then compare the colour change on the strips or the numerical reading on the meter with a pH scale. 

This simple experiment will help you understand acidity and alkalinity, which is an essential topic of Class 10 Chemistry.

2. Rust Formation and Prevention Experiment

For this Chemistry project, start by exposing metal samples to different conditions, such as moisture, salt, and air. For a successful experiment, you need to observe and document rust development over time. Whereas, for rust prevention apply various protective coatings like paint, oil, or corrosion-resistant substances. Now, compare the effectiveness of each method by measuring rust accumulation. 

This Science project will help you learn about the impact of environmental factors on metal corrosion and explore practical methods for rust prevention. This will, in turn, help you equip yourself with an expanded knowledge of material science. 

3. Chemical Reactions in Cooking

You can create a science project on chemical reactions in cooking by selecting recipes with noticeable reactions, like baking a cake or making bread. Thereafter, identify key ingredients transforming, such as leavening agents, acids, or yeast. As you witness the changes, document the alterations in texture, colour, and taste as indicators of chemical reactions. For this, you need to use scientific methods to measure variables and explain the science behind culinary transformations.

Now, showcase your project with visuals, data analysis, and explanations to highlight the correlation between chemical reactions. 

Also Read: Chemistry Project Ideas for Class 12 with Free Samples

Science Projects for Class 10: Biology

Furthermore, you have some easy topics for Science projects for Class 10 that will help you witness key concepts of Biology. Construct and crush!!

1. Microorganisms in Food Spoilage

To explore microorganisms in food spoilage, collect various perishable items and expose them to different environmental conditions. Now, monitor changes in smell, texture, and appearance over time. Further, you can use sterile swabs to take samples and cultivate microorganisms on agar plates. Identify and analyze the types of bacteria, moulds, and yeast present. Thereafter, introduce factors like temperature, moisture, and preservatives to observe their impact on microbial growth. 

Through this experiment, you will explore how external factors influence the penetration of microorganisms. 

2. Photosynthesis and Light Intensity Project

For this Science project, you need to set up a controlled experiment with potted plants. You must place them at varying distances from a light source to ensure that temperature and water availability remain constant. Now, measure oxygen production or carbon dioxide absorption to affirm the photosynthesis process. You should record data over time to create a graph depicting the relationship between light intensity and photosynthesis.

With this experiment, you will discover how light influences the rate of photosynthesis. By gaining practical knowledge of photosynthesis, you will be able to have a better understanding of plant biology and environmental factors. 

3. Genetic Variation in Plants Project

Start by collecting seeds or plant cuttings from different sources. Thereafter, plant and cultivate these plants under identical conditions to eliminate external factors. Now, you have to observe variations in traits such as height, leaf shape, or flower color. Also, analyze the genetic basis using techniques like genetic markers. These findings will help you to highlight the impact of genetics on plant variation. 

Thus, the project offers an opportunity to understand and embrace the biodiversity around us. It will also enable you to learn about the fundamentals of genetic principles. 

Also Read: Biology Project for Class 11: Top 50 Ideas & Experiments

Other 12 Ideas for Science Projects for Class 10 Students

1. Electricity generation from lemon

2. Motion sensor experiment

3. Water purification methods

4. Chemical kinetics

5. Effect of temperature on enzyme 

6. Human reflexes

7. Effect of music on plant growth

8. Solar water heater

9. Acid-base titration

10. Microbial analysis of water sources

11. Electromagnet

12. Simple electric motor

Also Read: 18 Interesting Science Experiments for Class 6 at Home

Ans: Here are some easy project ideas: 1. Electricity generation from lemon 2. Motion sensor experiment 3. Water purification methods 4. Chemical kinetics 5. Effect of temperature on enzyme 

Ans: Here are some project ideas: 1. Simple Pendulum Project 2. Ohm’s Law Verification Project 3. Sound Waves and Frequency Relationship Investigation

Ans: Here are Chemistry project ideas: 1. Microorganisms in Food Spoilage 2. Photosynthesis and Light Intensity Project 3. Genetic Variation in Plants Project

Related Reads:

For interesting project ideas and more on Class 10 Science Notes, follow the school education page of Leverage Edu now!!

Ankita Singh

Ankita is a history enthusiast with a few years of experience in academic writing. Her love for literature and history helps her curate engaging and informative content for education blog. When not writing, she finds peace in analysing historical and political anectodes.

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45 Easy Science Experiments for Kids

Hello, STEM! These simple DIY activities can be done at home or in school.

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Imagine blowing the biggest bubbles imaginable — or even making bubbles within bubbles. Or sending vessels — rockets, tea bags, airplanes — soaring through the sky for impossible distances. Now imagine making things explode, or change colors, or reveal hidden messages with just a few simple mixtures.

None of this is magic. It's all science that you can do at home, most likely with ingredients you already have in your house. So, next time you need a boredom-busting indoor activity on a rainy day or a DIY project to get their minds humming, try one of these best at-home science experiments for kids , which cover topics like cover magnetism, surface tension, astronomy, chemistry, physics and more.

First off, it's good to start them off with the scientific method. Give them a journal to record their observations, questions, hypotheses, experiments, results and conclusions. As always, safety counts: wear goggles and coats or aprons if need be (sometimes kids get a kick out of how scientific the protective gear makes them look), and always make sure that the kids are supervised when doing them. (Warning: Some of these are messy!)

These experiments are mostly designed for preschoolers through elementary schoolers — with a couple that are either demonstrations or better for older kids — but if you have a younger one, you can check out these 1-year-old learning activities , toddler learning activities and preschool/kindergarten learning activities , some of which also cover STEM subjects.

Floating Fish

Here's another one that deals with solubility and density.

• Draw the outline of a fish on the bottom of a glass plate or tray in dry-erase marker. Retrace your drawing to make sure all the lines are connected. Let dry for a minute or two.
• Fill the measuring cup with tap water. Place the pour spout just inside the corner of the dish and add water very slowly until it just covers the bottom. Be careful not to pour water directly onto your drawing or make splashes near it. The water will move toward your drawing, eventually surrounding it. Observe what happens. If the water splashes or it doesn’t work on your first try, empty the dish, erase the drawing with a paper towel, dry off the dish, and try again.
• Tilt the dish slightly from side to side. What happens? Jot it down.

The ink in dry erase markers is engineered to be slippery. It’s made with a chemical that causes it to easily release from surfaces. (Permanent markers are made with a chemical that makes the ink stick to surfaces, so be sure not to use these in your experiment!)

The easy-release ink lets go from a surface, but why does it float? There are two reasons. First, dry erase ink isn’t soluble, which means it won’t dissolve in water. Second, dry erase ink is less dense than the water, so it becomes buoyant, meaning it can float. When you tilt the dish, the fish moves around on the water’s surface.

From Good Housekeeping Amazing Science: 83 Hands-on S.T.E.A.M Experiments for Curious Kids! See more in the book »

Brush, Brush!

This one will really get them into brushing their teeth once they scientifically prove all the good things that toothpaste can do.

• Write on sticky notes: Soda 1, Soda 2, Juice 1, and Juice 2. Place them in a row on a counter.
• Fill two glasses halfway with brown soda and place behind the Soda 1 and Soda 2 sticky notes. Fill two glasses halfway with lemon juice and place behind the Juice 1 and Juice 2 sticky notes.
• Carefully place one egg in the bowl. Squeeze a big dollop — about one tablespoon — of toothpaste on top of the egg and gently rub the toothpaste all around with your hands until the egg is completely covered in a thick layer of toothpaste. Repeat with a second egg.
• Gently submerge the toothpaste-covered eggs into the liquids: one egg in the glass labeled Soda 1 and the other egg in the glass labeled Juice 1. Wash and dry your hands.
• Gently submerge the remaining eggs, without toothpaste on them, in the remaining glasses: one in the glass labeled Soda 2 and the other in the glass of juice labeled Juice 2. Wash and dry your hands. Leave the eggs in the glasses for 12 hours.
• After 12 hours, remove the eggs from the glasses of soda one at a time. Rinse them in cool water and pat them dry with the towel. Place each egg by the sticky note of the glass it was in. Are the eggs the same or different colors?
• Remove the eggs from the glasses of juice one at a time. Rinse them under the faucet and pat them dry. Place each egg by the sticky note of the glass it was in. Feel the eggs gently. Does one feel stronger or weaker than the other?
• Write down your observations in your science notebook.

The eggshells in this experiment represent the enamel (outer coating) on your teeth. Toothpaste cleans your teeth and prevents stains: it removes food and drink particles that are stuck on your teeth. Teeth can be stained easily by dark-colored liquids like cola, coffee or tea. The egg without toothpaste will be brown and discolored. The egg covered in toothpaste was protected from turning brown.

Toothpaste also protects your pearly whites from decay (breaking down). The egg without toothpaste left in the lemon juice was worn down and soft to the touch, while the egg that was protected with toothpaste is stronger. The lemon juice is acidic, and those acids broke down the shell just as acidic drinks can wear away your tooth enamel. When a tooth is worn down, a cavity can form more easily. But the fluoride in toothpaste mixes with your saliva to create a protective coating around your tooth enamel. It helps keep your teeth strong and cavity-free.

Grow an Avocado Tree

For an easy lesson in Earth Science, your family can grow an avocado tree from a pit. You can buy an AvoSeedo kit , or just peel the seed and suspend it over water with toothpicks.

Get the tutorial »

Milk Bottle Xylophone

No for an experiment in sound!

• Arrange six glass jars or bottles, all the same size with no lids, in a line. What will each jar sound like when you tap it with a spoon? Make a prediction, then tap each jar. Record your observations.
• Next, put water in each of the jars. Pour 1⁄4 cup (60 ml) of water into the first jar. Add 1⁄2 cup (120 ml) of water to the second jar. Continue in 1⁄4-cup increments, adding 3⁄4 cup (180 ml) of water to the third jar, 1 cup (240 ml) of water to the fourth jar, 11⁄4 cups (300 ml) of water to the fifth jar, and 11⁄2 cups (360 ml) to the sixth jar. Add a couple of drops of food coloring to each jar.
• What will each jar sound like? Will they sound the same or different than when the container was empty? Will they sound the same or different from one another? Record your predictions.
• Tap each jar with a metal spoon. Write down your observations about each jar’s pitch (how high or low a sound is) in your notebook.

Sound waves are created by vibrations, which are back-and-forth movements that are repeated again and again. Pitch depends on the frequency of the waves — how many are created each second. A high pitch is created by high-frequency sound waves, and can sound squeaky. A low pitch is created by low-frequency sound waves, and sounds deep and booming.

When you tapped the jar, it vibrated. The vibrations traveled from the jar to the water to the air and eventually to your ears. The jars with more water had a low pitch. The sound waves vibrated more slowly because they had more water to travel through. The jars with less water had higher pitches. The sound waves vibrated faster because they had less water to travel through. A jar with no water in it makes the highest pitch because it has the least substance to travel through.

"Elephant Toothpaste"

Okay, elephants don't really brush with this stuff, which is made from a chemical reaction between hydrogen peroxide, yeast, dish soap and a few other simple ingredients. But this experiment has a big "wow" factor since, when the substances are mixed, the "toothpaste" foams out of the bottle. You can use it to teach kids about catalysts and exothermic reactions.

Get the tutorial at Babble Dabble Do »

DIY Compass

Explore the way magnetism works, and how it affects everyday objects, by magnetizing a needle and making a DIY compass. You can even spin the compass in the water, and it'll end up pointing the right way again.

Get the tutorial at STEAM Powered Family »

Craft Stick Chain Reaction

Kids can learn about the differences between potential and kinetic energy with this chain reaction. It makes a big impact: Once the tension is released, the pom poms go flying through the air!

Get the the tutorial at Science Sparks »

Color-Changing Invisible Ink

Kids will feel like super-spies when they use this heatless method to reveal pictures or colors written with "invisible ink." You can try different acid/base combinations to see which one makes the most dramatic result.

Get the tutorial at Research Parent »

Paper Bridge

Get the engineering back into STEM with this activity, which challenges kids to create a paper bridge that's strong enough to hold as many pennies as possible. How can they manipulate the paper to make it sturdier? (Hint: Fold it!)

See the paper bridge tutorial at KidsActivities.com »

Challenge your little scientist to lift up an ice cube with just a piece of string. It's possible ... with a little salt to help. Salt melts the ice and lowers the freezing point of the ice cube, which absorbs the heat from the water around it, making the water cold enough to re-freeze around the string.

Get the tutorial at Playdough to Plato »

Marshmallow Catapult

Another lesson in potential and kinetic energy, kids will love sending mini marshmallows flying in the name of science. Change some of the variables and see how that affects the marshmallow's trajectory.

Get the tutorial at Hello, Wonderful »

Leaf Breathing

It's hard for kids to picture how plants and trees "breathe" through their leaves — until they see the bubbles appear on a leaf that's submerged in water. You can also teach them about photosynthesis by putting different leaves in different spots with varying levels of sunlight.

Get the tutorial at KC EDventures »

Hoop-and-Straw Airplane

We all remember how to fold those classic, triangular paper airplanes, but these hoop-and-straw airplanes fly way better (and straighter). Experiment by changing the length of the straw and the size of the hoops and see how it affects the flight.

Get the tutorial at Mombrite »

Film Canister Rocket

Blast off! You don't need jet fuel to make these rockets go, just Alka-Seltzer tablets and baking soda, but they'll be amazed when they achieve lift-off! (Note: If you can't find old film canisters, tubes of Airborne work, too.)

Get the tutorial at Raising Lifelong Learners »

Coin Inertia

Stack up about five or so coins on a piece of cardboard and place it over a glass of water. Then, flick the cardboard out from on top of the glass. Do the coins drop into the water, or ride with the cardboard? Due to inertia, they drop into the water — a very visual (and fun!) demonstration of Newton's First Law of Motion.

Get the tutorial at Engineering Emily »

Apple Oxidation

What works best for keeping an apple from turning brown? Test to find out! Slice up an apple, and let each slice soak in a different liquid. Then take them out, lay them on a tray, and check the brownness after three minutes, six minutes and so on. Not only does this test the properties of different liquids, it also helps students practice the scientific method if they create hypotheses about which liquids would be most effective.

Get the tutorial at Jennifer Findley »

RELATED: 50 Fun Activities for Kids Will Keep Them Entertained for Hours

Coffee Ground Fossils

By making a salt dough with coffee grounds and pressing various shapes into it (toy dinosaur feet, seashells), kids can get a better understanding of how fossils are made. If you poke a hole in the top before it dries, the kids can hang their "fossils" up in their rooms.

Get the tutorial at Crafts by Amanda »

Chromatography Flowers

Chromatography is the process of separating a solution into different parts — like the pigments in the ink used in markers. If you draw stripes around a coffee filter, then fold it up and dip the tip in water, the water will travel up the filter and separate the marker ink into its different pigments (in cool patterns that you can display as a craft project). This family made the end-result even brighter by adding an LED circuit to the center.

Get the tutorial at Steam Powered Family »

Water Walking

You'll need six containers of water for this one: three with clear water, one with red food coloring, one with blue coloring, and one with yellow coloring. Arrange them in a circle, alternating colored and clear containers, and make bridges between the containers with folded paper towels. Your kids will be amazed to see the colored water "walk" over the bridges and into the clear containers, mixing colors, and giving them a first-hand look at the magic of capillarity.

Get the tutorial at Fun Learning for Kids »

Sunscreen Test

This experiment puts the A (art) in STEAM: Paint different designs on construction paper with different sunscreens, leave the papers out in the sun and compare the results. Then, hang your "conclusions" on your fridge.

Get the tutorial at Tonya Staab »

Marisa (she/her) has covered all things parenting, from the postpartum period through the empty nest, for Good Housekeeping since 2018; she previously wrote about parents and families at Parents and Working Mother . She lives with her husband and daughter in Brooklyn, where she can be found dominating the audio round at her local bar trivia night or tweeting about movies.

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