Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea explores how length affects the weight a bridge can hold.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Using a toy race car kids create a visual model of the Doppler Effect.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?