Earth Science

Where does geothermal energy come from?

• Wind

• Rivers

• Ocean tides and waves

• Heat from the Earth

What does it mean when we say that geothermal energy is 'sustainable'?

• That it generates greenhouse gases

• That it will not be used up

• That it can be used anywhere on Earth

• That there is a limited supply

What method of using geothermal energy involves moving water between 10 and 20 feet deep in the Earth to cool or heat the water?

• Binary cycle system

• Dry steam power plants

• Flash steam power plants

• All of the above

What country is the largest producer of geothermal energy?

• Russia

• Japan

• China

• United States

Which kind geothermal plant is most common type?

• Dry steam

• Flash

• Binary

• Wet steam

Hydroelectric power plant is mainly located in ____________

• Flat areas

• Deserts

• Hilly areas

• Deltas

Potential energy of water is used to drive the turbine.

• True

• False

Where does hydropower get its energy from?

• The rays of the Sun

• The internal heat of the Earth

• Moving water sources like rivers

• From the burning of fossil fuels like coal

Hydropower is considered a renewable energy source.

• TRUE

• FALSE

What is one disadvantage of hydroelectric energy?

• It does not work if you don't have volcanoes nearby.

• It doesn't work if it is not windy.

• It doesn't work if you don't have rivers or moving water nearby.

• We live in a desert