Geothermal: Flashcards
1
Q
How does geothermal power generate electricity?
A
Water pumped down to hot rocks, producing steam which drives turbines at ground level
2
Q
What is geothermal energy?
A
Energy released by radioactive substances deep within the Earth. Energy heats surrounding rock and is transferred closer to the surface. Power stations are near hot rocks or volcanic areas
3
Q
Advantages of geothermal
A
Reliable, renewable, no pollution, can heat buildings directly
4
Q
Disadvantages of geothermal
A
Ugly, large power stations
