Geothermal and Hydroelectric Energy

What is it called when you generate electricity with a dam and water?

• Geothermal Energy

• Hydroelectric Energy

• Solar Energy

What is it called when humans generate electricity by using the heat of the Earth?

• Geothermal Energy

• Hydroelectric Energy

• Solar Energy

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Which of the following is one of the disadvantages of geothermal energy?

• Geothermal energy doesn't work everywhere since you need a volcano nearby.

• Geothermal energy does not work if there are no rivers or moving water nearby.

• Geothermal energy only works on windy days.

What is one disadvantage of hydroelectric energy?

• It doesn't work everywhere since you need a volcano nearby.

• It does not work if there are no rivers or moving water nearby.

• It only works on windy days.

What is one advantage of geothermal energy from the options below?

• Geothermal energy works everywhere on Earth.

• Geothermal energy relies on the power of the sun.

• Geothermal energy makes no pollution.

Out of the choices below, which form of energy makes the most pollution?

• Geothermal

• Hydroelectric

• Fossil Fuel

How do geothermal power stations work?

• Cold water is heated up and the water power turbines under the water and turns it into electricity.

• The hot water from inside the earth meets cold air and produces condensation which powers the turbines and turns it into electricity.

• Cold water is pumped down and the cold water meets the hot water from inside the earth to produce steam to power turbines then creating electricity.

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The following are the main components of a hydroelectric plant, EXCEPT:

• dam

• penstock

• powerhouse

• coal

This form of electrical energy generating is called

• Hydroelectric

• Geothermal

• Wind

What is the advantage of hydroelectric power station?

• Simple in design and construction

• Low operation and maintenance cost

• Cheap to build