Text and more than eighty photos and illustrations explainwhat hurricanes and tornadoes are, describe the damage they do, and present historic examples of them.
"Discusses ways we can get power from water by damming rivers or harnessing tides and ocean waves, and how water power may be used in the future"--Provided by publisher.
Chronicles the history of achievement in space exploration, discusses the benefits and costs of the endeavor, looks at everyday products that have been developed through space research, and provides accounts of problems and risks.
"Discusses ways we can get power from water by damming rivers or harnessing tides and ocean waves, and how water power may be used in the future"--Provided by publisher.
Explains how nuclear energy is produced, the history of how it was discovered and discusses the dangers of using nuclear power including plant meltdowns, nuclear bombs, waste disposal and its benefits.