Technology and Renewable Energy

Which of the following best explains why scientists combine solar energy with other energy sources?

• Solar panels are too expensive

• Solar energy only works during daylight hours

• Solar panels take up too much space

• Solar energy is too powerful to use alone

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NGSS.HS-ETS1-3

What is the main difference between fossil fuels and biofuels?

• Fossil fuels are more expensive

• Biofuels produce more energy

• Fossil fuels take millions of years to form, while biofuels can be quickly grown

• Biofuels are more polluting than fossil fuels

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NGSS.HS-ETS1-3

What is produced when hydrogen fuel cells generate electricity?

• Carbon dioxide

• Water

• Methane

• Smoke

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Which of these is a major disadvantage of fuel cell technology?

• It produces too much pollution

• It works too slowly

• It's too expensive to produce

• It uses too much electricity

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NGSS.HS-ESS3-2

What is a "hybrid energy system"?

• A system that only uses solar power

• A combination of different energy sources working together

• A system that only works at night

• A type of fossil fuel

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NGSS.HS-ETS1-2

Which statement best explains why we need hybrid energy systems?

• Solar panels are too expensive to use alone

• Wind power is more reliable than solar power

• Solar energy only works during daylight and is affected by weather

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NGSS.HS-ETS1-1

What makes biofuels different from fossil fuels?

• Biofuels create more energy

• Biofuels are cheaper to produce

• Biofuels can be quickly grown and replaced

• Biofuels work better in cars

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What makes hydrogen fuel cells environmentally friendly?

• They use less fuel than regular engines

• The only waste product is water

• They are completely silent

• They never need refueling

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Which is one of the biggest challenges with fuel cell technology?

• It works too slowly

• It's dangerous to use

• It's very expensive to produce

• It uses too much water

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NGSS.HS-ETS1-3

Which of these is an example of a renewable resource mentioned in the slides?

• Coal

• Natural gas

• Soybeans

• Ancient plants

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