Human Uses of Energy Study Guide (Topic 5)

Which names a source of renewable energy that does not need to be replaced?

• trees

• wind

• coal

• corn

Which example describes the use of a renewable resource?

• heating soup over a gas burner

• making a fire out of wood

• putting gasoline in a car

• eating with a plastic spoon

Jada's family pulls into a gas station. Her mother fills up the car's tank with fuel from a pump. Jada notices this symbol on the pump. What do you think the symbol indicates?

• This gasoline is to be used only in farm vehicles.

• It is not safe to have gasoline around food products.

• This gasoline can also be used as a fertilizer to help plants grow.

• A biomass has been used as part of the fuel.

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Which describes a disadvantage of using natural gas?

• It has fewer uses than petroleum and coal.

• It is in a liquid state, so it can leak and damage the environment.

• It is harder to transport and store than petroleum and coal.

• It does not combust very well.

The diagram shows a nuclear power plant. What activity would you expect to happen in the reactor?

• Uranium is burned to produce heat energy.

• Uranium atoms are split apart to produce heat energy.

• The flow of the water produces kinetic energy to turn the turbines.

• Steam causes the uranium rods to heat up.

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Ahsanti draws a diagram of an electric circuit. At which point on the diagram would you expect to find chemical energy?

• A

• B

• C

• D

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What is one way that coal power plants can help prevent rain from becoming too acidic?

• They can cool the water before releasing it.

• They can increase the amount of coal that is burned.

• They can put scrubbers in their smokestacks.

• They can increase the amount of carbon dioxide in the air.

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Which energy source has the least impact on the environment?

• coal

• uranium

• natural gas

• solar

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Raul's family buys a new home that is heated with geothermal energy. What would you expect to see moving in the heating pipes running in their house?

• warm water

• warm air

• natural gas

• petroleum

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Ms. White's class tours the dam in the picture. What do you think the class sees inside the dam?

• solar panels to gather energy to power the flow of water

• fossil fuels being used to heat the water

• the motion of flowing water turning turbines

• geothermal energy being used to heat the water

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