When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

People have favorite flavors, but what about ants? Which ant food is the most popular?

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

This science fair project idea investigates how magnetism can defy the force of gravity.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This science fair project will help students learn about non-vascular plants, such as mosses.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

This classic children's game demonstrates how sound travels through air vs. through a solid.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this design challenge, your child will create a parachute for a small toy using typical household items.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.