Environmental Science Unit 3B Test Review

How is wind related to solar energy?

• Solar radiation pushes air around, generating wind.

• More wind is created on days with less sunlight.

• Wind captures solar energy and moves it across Earth’s surface.

• Uneven heating of Earth’s surface by the sun creates wind.

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What kind of energy conversion is facilitated by wind turbines?

• converting kinetic energy into mechanical energy

• converting hydroelectric energy into solar energy

• converting mechanical energy into wind energy

• converting wind energy into kinetic energy

How do wind turbines generate electricity?

• Wind passes through tunnels that collect electrostatic energy.

• Wind turns blades, which powers an electric generator.

• Filters capture energy particles from wind.

• Turbine blades spin to generate wind.

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Which choice describes the purpose of the blades in a wind turbine?

• The blades include a gearbox and a generator.

• The blades provide structural support to the turbine.

• The blades convert wind energy into rotational energy.

• The blades create charges inside an electromagnet.

How does the size of a wind turbine affect its energy output?

• Smaller turbines are better for capturing strong winds.

• Larger turbines have a greater storage capacity.

• Smaller turbines spin slower.

• Larger turbines generate more electricity.

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Which choice best describes the United States’ wind energy supply?

• unevenly distributed

• scarce

• abundant across the entirety of the country

• extremely unreliable

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Which choices describe advantages of wind energy over fossil fuels? 

• releases carbon dioxide instead of carbon monoxide

• freely available

• renewable

• doesn’t emit pollutants

Which choice describes a concern with wind energy?

• turbines are cheaply made

• may harm bird and bat populations

• negative impact on river ecosystems

• could interfere with pollen distribution

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Which choice describes a way that humans have used passive solar energy historically?

• drying clothes in a drying machine

• gas home heaters

• greenhouses that use glass to trap heat

• to power computers

What force ultimately spins a turbine to generate electricity in a concentrated solar power (CSP) system?

• steam from water boiled by captured solar energy

• solar radiation particles

• increasing temperatures causing parts in a turbine to move spontaneously

• wind spinning turbine blades

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