Electricity & electronics

Detect an approaching thunderstorm. • Build a generator.
Harness the power in a potato.
Keep insects away with sound waves.
Find out if it really is dangerous to sit too close to the TV set.
tudents will impress teachers, classmates, and science fair judges
with more than 40 fantastic projects that explore electromagnetic forces, static electricity, current flow, motors, resistance and capacitance, generating electricity, solid state electronics, and radio frequency energy.
Designed with safety in mind, most of the projects can be completed with “stuff” around the house or easily found at your local electronics store. Be sure to test yourself with the “What If” questions following each project, and explore all kind of variations. Then watch the lightbulb turn on–in your head!