1. Aim:
How does hydropower make energy?
Hydropower
QOD: 1. What did the salmon say when he swam into a wall of cement?
2. Do you think hydropower (water power) is renewable or nonrenewable? Explain.

2. Aim: How does hydropower make energy?

3. Conventional alternative energy
Aim:
How does hydropower make energy?
Conventional alternative energy
What percentage of the world’s electricity is generated from nonrenewable energy?
82.2%
= energy from a source that isn’t fossil fuels
… from renewable energy?
17.8%

4. How does hydropower make energy?
Aim:
How does hydropower make energy? 4

5. Hydropower is renewable
Aim:
How does hydropower make energy?
The sun powers the water cycle.
Snow melt and rain feed rivers…
which run downhill (due to gravity)

6. How does hydropower make energy?
Aim:
How does hydropower make energy?
How does hydropower make energy?
A – Water flows from the reservoir through the dam
B – The flowing water turns the turbine

7. How does hydropower make energy?
Aim:
How does hydropower make energy?
How does hydropower make energy?
C – The turbine turns the rotor (which consists of magnets) which generates electricity
D – Water is discharged into a river or stream

8. How does hydropower make energy?
Aim:
How does hydropower make energy?

9. How does hydropower make energy?
Aim:
How does hydropower make energy?

10. How does hydropower make energy?
Aim:
How does hydropower make energy?
How do dams alter landscapes?

11. How does hydropower make energy?
Aim:
How does hydropower make energy?
Tucurui river of the Amazon basin, before and after

12. How does hydropower make energy?
Aim:
How does hydropower make energy?
Lewis Smith River, before the dam was built

13. How does hydropower make energy?
Aim:
How does hydropower make energy?
Lewis Smith River, after