Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

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

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

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.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

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

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

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.

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

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

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.