Question

How is geothermal energy converted to electric energy?
Write the energy transformation at the geothermal power plant.
[3 Marks]

Answer 1

Geothermal power plants use underground water to produce electricity. The steam comes from the reservoirs of hot water found a few miles or more below the earth's surface. The steam rotates a turbine that activates a generator, which produces electricity.
[2 Marks]

In geothermal power plants, the heat energy from beow the Earth's surface is converted into kinetic energy. This kinetic energy rotates the turbine. Finally, it is converted into electrical energy.
[1 Mark]