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Introduces the basics behind the operation of various battery-powered electrical devices and provides instructions for making some simple devices that use different kinds of circuits and switches.

Descriptions and experiments introduce and explain electric cells, batteries, and other simple electric devices.

Introduces the basics behind the operation of various battery-powered electrical devices and provides instructions for making some simple devices that use different kinds of circuits and switches.

Explains the scientific principles behind electricity, discussing such aspects as static, circuits, batteries, and generators.

Tells how electricity makes toys and other objects work.

An introduction to magnetism, magnets, compasses, batteries, and electricity.

Explains the basic principles of electricity through looking at everyday experiences or direct observation.

An introduction to electricity and how it's used.

How does an electrical circuit work? What?s a conductor? Where does static electricity come from? The answers to these questions and more are waiting for readers to discover in this engaging and educational guide to electricity.