Energy Resources Flashcards
1
Q
How do wind turbines generate electricity?
A
Wind rotates the blades which turns a generator
2
Q
What are problems with wind energy?
A
Initial costs are high, spoil the view, noisy and unreliable
3
Q
How does hydroelectric power work?
A
By flooding a valley with a dam and allowing rainwater to escape through turbines
4
Q
What are tidal barrages?
A
Big dams built accross estauries containing turbines
5
Q
How do tidal barrages work?
A
The tide fills up the estuary and water is let out through the turbines
