What is hydropower? -- Water power through history -- Using water to make electricity -- Water waves for energy -- Still things to think about.
Summary
"Anyone who has been walloped by a large ocean wave or has watched water tumble down a tall waterfall knows the power of water. Readers will learn about hydropower throughout history and find out about the water cycle. Reading about how this clean energy source is used today and what the future of hydropower may look like will educate young readers about renewable energy fueled by water." --Publisher description.
