Energy Sources: GeoThermal

Question 1

What is geothermal energy?

Answer 1

• Thermal energy generated and stored in the Earths crust.
• Use for either generating heat or generate electricty.
• ## Heat being less expensive.

Question 2

How is geothermal energy generated directly from heat?

Answer 2

• Pumping water down intot he ground/

- Allowing it to warm up and pumping it back up to the surface to heat our homes.

Question 3

How do we generate electricity?

Answer 3

• Leave the water underground until it heats so much that it converts into steam.
• As the steam rises, Gas turns turbines which drive the generators to produce electricity.

Question 4

Cons of Geothermal energy:

Answer 4

• Only use this in certain areas.
  E.g: Volcanic areas.
• ## Power plants are expensive to build.

Question 5

Pros:

Answer 5

• (Where it is avaiable).
• Can be a great source of power.
• Installing the plants can damage the environment only slightly.
• Running it does not produce any pollutants.
• Renewable.
• Reliable over long periods.