Includes bibliographical references (page 31) and index.
What is hydropower? -- How can water make electricity? -- How does hydropower compare? -- How and where is hydropower used?
"Hydropower makes use of the energy in flowing water. This clean, renewable energy is growing in its technology and popularity. Readers will learn how it is harnessed, how it compares to other forms of energy, and how they may get involved in this exciting growing field some day."-- Provided by publisher.