water power

Explains the meaning of renewable and nonrenewable energy, discusses the need to develop alternative sources of energy, and looks at how energy can be generated from water.

Suggests projects to explore the properties of water and ways of putting them to use for floating and energy.

Discusses water, which covers three-quarters of the earth's surface, as a source of energy.

Text and illustrations explain how water provides us with energy.

Describes the science behind electricity, including generation and transmission.

Including a "debate club" activity which provides characters and viewpoints for role-playing, this book examines the positive and negative impact of dams and hydropower on our world.

Presents an introduction to water power, in simple text with illustrations, including information on water power in history, hydroelectric damns, tidal power, steam power, and related topics.

Explains the science behind the building and use of dams and waterways.

Examines the historical uses of water as a source of energy, the advantages and disadvantages, and new advances in harnessing water power.

Introduces the history, uses, production, advantages and disadvantages, and future of hydroelectric energy as a power resource.