36. Geothermal Energy: Heat from Inside the Earth

Based on the essay, what is the original source of geothermal energy?
1. The sun
2. Hot water found underground
3. The natural heat inside the Earth
4. Steam produced by power plants
According to the passage, how is geothermal energy most directly used to create electricity?
1. By heating homes and schools.
2. By using hot water to grow plants in greenhouses.
3. By using steam to turn turbines.
4. By drilling wells to find oil and gas.
The essay states that a major advantage of geothermal energy over solar or wind power is that it
1. is much less expensive to build.
2. can be used anywhere in the world.
3. does not create any pollution.
4. is available all the time.
Where is geothermal energy easier to use, according to the passage?
1. In countries with a lot of sunlight.
2. In places where the Earth's heat is close to the surface.
3. In areas with strong and constant winds.
4. In all countries equally.
One of the environmental benefits of geothermal energy mentioned in the essay is that it
1. helps reduce air pollution.
2. increases the Earth's natural heat.
3. is powered by fossil fuels.
4. works better than all other energy sources.