This science fair project idea investigates the difference in reaction times between boys and girls.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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!

In this project children practice the scientific method while playing with puffy paint.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

In this project students experiment with making music using only glasses of water.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

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

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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?

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

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

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

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.