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.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

This science fair project idea explores the egg's thin membrane.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

This project compares different liquids and the freezing, melting and boiling points of liquids.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

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!

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

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

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

This experiment will examine and precisely measure the amount of sugar in various sodas.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.