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

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

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

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.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

This science fair project idea determines the probability of a coin landing heads or tails.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Discover how and which salt melts ice the quickest.

This science fair project idea explores whether cats can be trained in the same way that dogs can.