Renewable and Non-Renewable Energy Sources

What are most solar cells made from?

• Copper

• Concrete

• Silicon

• Coal

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NGSS.MS-PS1-1

What is the carrier of the electric current from solar cells?

• Silicon atoms

• Electrons

• Water

• Holes

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What from the Sun causes the solar cell to produce the electricity?

• Photon particles of sunlight

• The heat from the Sun

• The shadow under the solar cell

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How efficient are most commercial solar cell systems?

• Less than 10%

• 15-20%

• As high as 46%

• More than 70%

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NGSS.HS-PS3-3

True or False? Wind turbines generate electricity all the time.

• True

• False

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What kind of advances in wind power generation will help us integrate more wind energy into our electricity system? Select all that are correct.

• Wind forcasting

• Wind turbine blade design

• Electrical grid infrastructure

• Electrical storage technology

• Human wind creation

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What electricity generation group is wind energy in?

• Fossil fuel

• Nuclear

• Renewable

• Geothermal

What are wind turbine blades primarily made of?

• Concrete

• Steel

• Fiberglass

• Wood

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NGSS.MS-PS1-3

What are the main technologies used to create tidal electricity? Select all that are correct.

• Tidal barrages

• Tidal fences

• Tidal turbines

• Tidal pools

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Why is tidal power considered a predictable energy source?

• It can be installed easily

• Ocean currents generate more energy than air currents

• The ocean's tidal patterns are well understood