RENEWABLE ENERGY

Where does geothermal energy come from?

• ocean tides and rivers

• heat from the Earth

• Rays of the sun

• wind

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

• That it generates greenhouse gases.

• Thai it will not be used up.

• That it can be used anywhere on Earth.

• That it may cause global warming.

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Where does solar energy get its energy from?

• burning of fossil fuels like coal

• internal heat of the Earth

• moving water sources like rivers and oceans

• sunlight

Solar energy is considered a renewable energy source.

• TRUE

• FALSE

Solar power can be used to generate heat or ___________

• wind

• boiling water

• electricity

• gasoline

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Which of the following is a drawback to using solar cells to produce electricity?

• cost of the cells

• It takes a lot of cells to produce energy.

• It is dependent on the weather.

• The amount of sunlight changes throughout the year.

• All of the above.

Where does hydropower get its energy from?

• rays of the sun

• internal heat of the Earth

• moving water sources

• burning fossil fuels

Hydropower is considered a renewable energy source.

• TRUE

• FALSE

What is another advantage to building a dam besides producing electricity?

• it creates a recreational lake

• The reservoir can be used as a fresh water source.

• It can help to control flood.

• All of the above

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NGSS.MS-ETS1-2

Which of the following are drawbacks to building hydropower dams? Choose two answers.

• loud disruptive noise

• damage to the local ecosystem

• disruption of fish migration and spawning grounds

• large volumes of carbon dioxide emissions

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