Looks at the sun as a source of energy, explains how plants and animals use solar energy, and discusses renewable energy, clean electricity, and the uses of solar energy. Includes experiments.
"An examination of the ways in which the sun has historically been used as an energy source and how current and future energy demands are changing its technical applications and efficiency levels"--Provided by publisher.
Chandra and her sister Deena see a demonstration of a "magic light," a solar-powered lantern, at a market near their home in Nepal and are determined to buy one, knowing it will help their little brother's cough to stop using kerosene lamps. Includes facts about Nepal.
Presents brief discussions of the types and benefits of various alternative energy sources, such as biodiesel, solar, wave and tidal, natural gas, and geothermal, coveringvarious technologies and case studies, with illustrations.
An exploration of solar energy that discusses the properties of the sun, how it is used by plants, global energy sources, solar thermal collectors, its advantages and disadvantages, and other related topics.
