This science experiment has students test whether a snail moves faster on concrete or dirt.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

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.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

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.

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!

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.