Renewable Energy Sources

What is biomass energy?

• Energy produced by the flow of water over a dam

• Energy produced by burning organic matter, such as wood, food scraps, and manure

• Energy produced by heat within the earth

• Energy from the sun

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Which of the following is an example of passive solar heating?

• Using solar panels to generate electricity

• Designing a building to capture the sun's energy without mechanical devices

• Burning hydrogen gas to produce heat

• Using wind turbines to generate electricity

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What is the primary byproduct of hydrogen power?

• Carbon dioxide

• Water

• Methane

• Sulfur dioxide

How is geothermal energy produced?

• By burning organic matter

• By the flow of water over a dam

• By heat within the earth

• By the motion of water with the tides

Which energy source uses the flow of water over a dam to turn a turbine which produces electricity?

• Tidal energy

• Ocean thermal energy conversion (OTEC)

• Hydroelectric energy

• Biomass energy

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What is the main principle behind wind energy?

• Transforming the motion of air into electrical energy using a wind turbine

• Using temperature differences in ocean water

• Burning hydrogen gas

• Capturing the sun's energy without mechanical devices

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Which of the following is a characteristic of renewable energy?

• It can be replaced when needed

• It always comes from fossil fuels

• It produces high levels of carbon emissions

• It is non-replaceable

What distinguishes active solar heating from passive solar heating?

• Active solar heating uses mechanical devices to distribute heat

• Active solar heating does not use any technology

• Passive solar heating uses solar panels

• Passive solar heating requires mechanical devices

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Which energy source involves the use of a turbine to capture wave motion?

• Geothermal energy

• Tidal energy

• Biomass energy

• Solar energy

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What is the main advantage of using renewable energy sources?

• They are finite and will eventually run out

• They produce minimal environmental impact

• They are always more expensive than fossil fuels

• They require very complex technology to harness the energy

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