Wind, Solar And Geothermal

Question 1

What is wind power

Name 3 good things and 3 bad things

Answer 1

Lots of wind turbines up in exposed places
Each turbine has a generator, the rotating blades turn and produce electricity

There’s no pollution
No permanent damage
No running costs

Noisy
Unreliable, stop if the wind stops and can’t increase supply
Ruins the view

Question 2

What are solar cells

Name 3 good things and 3 bad things

Answer 2

Generate electric currents directly from the sunlight

Often good source to charge batteries in calculators and watches
No pollution
Very reliable source

Used in places where there not much choice
Can’t increase demand
Generate electricity on a small scale

Question 3

What is geothermal power

Name 3 good things and 2 bad things

Answer 3

Underground in thermal energy stores
to generate electricity

Free energy
Reliable
Little damage to environment

Aren’t many suitable locations for power plant
Cost of building a power plant is high