Explore concepts in current and coltage with these Van de Graaff generator experiments.

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

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Find out whether matching resonant frequencies can cause objects to shatter.

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

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.