Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This biodiversity project examines the biodiversity in your own backyard.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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

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

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.