What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea demonstrates that plants give off water.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Is it a square or a circle? See if you can trick your friends with this zany science project!

How do organic materials become soil? This science experiment measures what materials biodegrade.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

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

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

In this science fair project you will make a model of a cell membrane using very simple material.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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

This science fair project investigates why the number of visible stars changes from place to place.

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 idea explores substances that cause a bubble to last longer.

This science fair project idea identifies trees using a dichotomous key.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!