All About Electricity

Children create their own electric generator, monitor home safety as an "Electric Detective," make a battery with pennies, paper, and nickles and much more in the child-friendly science book.

 

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55 projects in electricity, magnetism, electronics; making a compass, wiring a simple electromagnet, obtaining electricity from a lemon, reactivating a dry cell, making a flashlight, constructing a Geiger counter.

Step-by-step instructions to building more than 30 fascinating devices are included in this book for workbench warriors and grown-up geeks. Detailed illustrations and diagrams explain how to construct a simple radio with a soldering iron, a few basic circuits, and three shiny pennies. Instructions are included for a rotary steam engine that requires a candle, a soda can, a length of copper tubing, and just 15 minutes. To use optics to roast a hot dog, no electricity or stove is required, just a flexible plastic mirror, a wooden box, a little algebra, and a sunny day.

Advances in Physics

Table of Contents
1. SI System of Units
2. Lenses
3. Refraction
4. Digital Storage
5. Frequency
6. Current and Electricity
7. Wave
8. Quantum Physics
9. Vectors
10. Kinematics

All About Volcanoes

Excerpt:

People in Iceland use the heat from volcanoes to make electricity. Pipes pump water through the hot rocks underground near a volcano. As the water heats up, it turns to steam. The steam is used to make electricity.