Aim: How does hydropower make energy? Hydropower

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Presentation transcript:

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.

Aim: How does hydropower make energy?

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%

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

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)

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

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

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

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

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

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

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

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