What is the world's tallest waterfall? How do dams help generate water power? What happens when a waterwheel spins? This series explores the causes and effects that shape our world. From the underwater volcanoes that sprout into islands, to the rushing waterfalls that spark electric currents, this series demonstrates how both natural and man-made phenomena occur.
Table of Contents
What is a waterfall? The power of falling water Early uses of water power The waterwheel Building a dam It's electric! Electricity in our homes Who uses water power? Famous hydroelectric plants The Hoover Dam Other types of energy The benefits of water power Water-power problems.