Hydroelectricity

3. Large, fast-flowing rivers produce the most____________.
6. Plants and animals near the dam have to adjust to this change or _______ elsewhere.
7. The Abu Simbel temples are a part of Egypts cultural ________ and a major tourist destination.
10. Hydroelectric energy is usually one of the first methods a developing country uses to bring affordable electricity to _____ _____.
11. The most famous hydroelectric power project of the New Deal is probably the Tennessee Valley Authority ___.
13. _______________ control the amount of water let through the dam.
14. Hydroelectricity relies on water, which is a clean, _________ ________source
16. ___________ _______energy sources include coal, oil, and natural gas.

1. _______ _______ is made by moving water. Hydro comes from the Greek word for water.
2. Water mills, which were common until the____________ __________, are large wheels usually located on the banks of moderately flowing rivers.
4. However, the power plant provided affordable hydroelectric energy to the booming _____ ____ around San Francisco.
5. Ancient Romans built ___________, which are wheels turned by flowing water.
8. The process used to control this flow of water in the dam is called the______ ______.
9. Water is channeled through tunnels in the _____.
12. Dams were a huge part of the New Deal, a series of government programs that put people to work and brought electricity to millions of Americans during the _____ __________.
15. Water ________, forms clouds, and then rains down on the Earth, starting the cycle again.