Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Do you think heat can affect a plant's growth rate?

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Use pepper and soap to discover some fun facts about the properties of water.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.