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Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

This science fair project idea determines what household items are good conductors of electricity.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

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

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!