Air

Be green! It is important to keep Earth's air clean. Using the scientific method, perform hands-on experiments that explain the properties of air, how to conserve energy while heating and cooling air, and how to reduce air pollution. Readers who are interested in science fairs will find many ideas for science fair projects.

Robert Gardner is an award-winning author of science books for young people. He is a retired high school teacher of physics, chemistry, and physical science. In 2010, he received the Lifetime Achievement Award in Hands-On Science Writing from AAAS/Subaru Science Books Films.

Introduction	p. 9
The Scientific Method	p. 10
Science Fairs	p. 12
Your Notebook	p. 13
Safety First	p. 13
Earth's Sea of Air	p. 15
The Reality of Air (An Experiment)	p. 16
How Does an Aneroid Barometer Work? (A Demonstration)	p. 28
Weighing Air (An Experiment)	p. 31
Archimedes, Air, and Buoyancy (An Experiment)	p. 32
An Aneroid Barometer, Air Pressure, and Altitude (An Experiment)	p. 38
Having Fun With Air Pressure Effects (Demonstrations)	p. 43
Air, Buildings, Heating, and Energy	p. 50
Light to Electricity (An Experiment)	p. 55
Sunlight to Heat: A Solar Collector to Heat Air (A Model)	p. 56
Air and Heating (An Experiment)	p. 58
Insulating Air to Reduce Heat Loss (An Experiment)	p. 61
Finding Air Leaks (A Measurement)	p. 70
Our Polluted Air	p. 80
Capturing Polluting Particles in Air (An Experiment)	p. 81
A Trapped Cold Air Mass (A Model)	p. 87
Making Smog (A Demonstration)	p. 88
Air Pollution and Rubber (A Test and an Experiment)	p. 90
Acid Rain (A Measurement)	p. 93
Does Rain Contain Salt? (An Experiment)	p. 96
Cars, Trucks, Pollution, and Generating Electricity With Air	p. 98
Testing a Car for Fuel Efficiency (A Measurement)	p. 99
Friction and Tire Pressure (An Experiment)	p. 102
Friction and Weight (An Experiment)	p. 106
An Electric Motor as a Generator (A Demonstration)	p. 111
A Pinwheel Turbine: Generating Electricity With Air (A Model)	p. 115
Appendix: Science Supply Companies	p. 120
Glossary	p. 121
Further Reading	p. 124
Internet Addresses	p. 125
Index	p. 126
Table of Contents provided by Ingram. All Rights Reserved.

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Summary

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Table of Contents

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