Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

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

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This science fair project teaches students about wilting and browning of salad greens.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.