Energy resources: geothermal

Question 1

How does it work?

Answer 1

Cold water pumped down is heated by lava lake. Hot water and steam come up which turn a turbine and generate electricity

Question 2

Stores and transfers

Answer 2

Thermal ->heating-> Kinetic ->electrical->

Question 3

Advantages

Answer 3

• renewable
• no carbon dioxide emissions
• free once set up

Question 4

Disadvantages

Answer 4

• expensive to set up
• location dependent