1. Where does hydropower get its energy from?

2. True or False: Hydropower is considered a renewable energy source.

3. In a hydropower plant, water flows through a pipe called a _______.

4. What type of hydropower plant does not use a dam?

5. What type of hydropower plant uses extra electricity at night to move used water back into the reservoir?

6. What is another advantage to building a dam besides producing electricity?

7. What is a disadvantage to the run-of-the-river hydropower system?

8. Where is the largest dam and hydroelectric plant in the world located?

9. True or False: Using rivers to power mechanical devices is a new concept invented in the late 1900s.

10. Which of the following is a drawback to building hydropower dams?