Renewable Energy Around the World

What percentage of the world's homes, cars, and transportations are powered by fossil fuels?

• 90%

• 70%

• 50%

• 80%

Which renewable energy source uses the sun's energy to generate electricity?

• Hydropower

• Wind energy

• Solar energy

• Geothermal energy

What is a major drawback of solar energy?

• The sun doesn't shine 24/7

• It uses up water resources

• It is too expensive

• It causes air pollution

Which renewable energy source is generated by the ocean's waves and tides?

• Hydropower

• Wind energy

• Tidal energy

• Solar energy

What is the biggest drawback to tidal energy?

• It uses up water resources

• It causes air pollution

• It is not renewable

• High initial cost

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Geothermal energy uses heat from which part of the Earth?

• The atmosphere

• The mantle

• The crust

• The core

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What is a disadvantage of building and maintaining a geothermal plant?

• High cost

• It is not renewable

• It causes air pollution

• It uses up water resources

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What environmental impact can dams associated with hydropower have?

• Depletion of fossil fuels

• Air pollution

• Damage to ecosystems

• Global warming

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What is a drawback of wind energy?

• It uses up water resources

• It causes air pollution

• It is not renewable

• Can harm birds

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