Question

What is geothermal energy? Explain how geothermal energy is used to generate electricity. State two advantages of geothermal energy.

Answer 1

Geothermal energy is the energy obtained from the earth(geo). Generally, from the hot rocks present inside the earth. This energy is used to generate electricity. The hot rocks inside the earth convert the water into steam, the hot steam is then piped out and is used to rotate a turbine that activates a generator, which produces electricity.

Advantages of geothermal energy:
1) It is a renewable source of energy.
2) By far, it is non-polluting and environment-friendly.
3) The maintenance cost of geothermal power plants is very less.