1. Lesson Objective:
You will be able to compare the advantages and disadvantages of using hydroelectric power to generate electricity.

3. Hydroelectric Energy:
Uses the force of running water to spin turbines and generate electricity.

4. Hoover Dam, Nevada, USA Largest dam in the United States.
Las Vegas generates roughly 20% of its electricity from this dam!

6. Three Gorges Dam – China
World’s largest dam.
Completed in 2012.
Displaced 1.3 million people.
Ecological impact  at risk for landslides.

9. If this embedded video does not load, the link is https://www. youtube

10. What are the advantages of hydroelectric energy?

11. Advantages of Hydroelectric Energy:
Inexpensive once built.
No pollution.
Efficient.
Can be used for irrigation.
Irrigation = to supply water for crops.

13. What are the disadvantages of hydroelectric energy?

14. Disadvantages of Hydroelectric Energy:
Expensive to construct.
Negative effects on the surrounding environment.
Don’t destroy my home!

15. True or False?

16. One thing that oil and hydroelectric energy have in common is that they are both efficient.

17. Hydroelectric energy can have negative effects on the local environment.

18. A slow moving river is necessary for hydroelectric energy to be produced.

19. A disadvantage of hydroelectric energy is that it can provide irrigation for crops.

20. Hydroelectric energy and coal both release no pollution.