Aim:How does

hydropower make energy?

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.

Hydropower

Aim:How does

hydropower make energy? Aim: How does

hydropower make energy?

Aim:How does

hydropower make energy?Conventional alternative energy

… from renewable energy?

What percentage of the world’s electricity is generated from nonrenewable energy?

82.2%

17.8%

= energy from a source that isn’t fossil fuels

4

Aim:How does

hydropower make energy?

4

Aim:How does

hydropower make energy?

Hydropower is renewable

The sun powers the water cycle.

Snow melt and rain feed rivers…

which run downhill (due to gravity)

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

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

Aim:How does

hydropower make energy?

Aim:How does

hydropower make energy?

Aim:How does

hydropower make energy? How do dams alter

landscapes?

Aim:How does

hydropower make energy?

Tucurui river of the Amazon basin, before and after

Aim:How does

hydropower make energy?

Lewis Smith River, before the dam was built

Aim:How does

hydropower make energy?

Lewis Smith River, after