Renewable Energy

Front

What are the two main classifications of energy sources?

Back

Renewable and non-renewable.

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Why is solar energy considered a renewable energy source?

Back

Because the sun's energy will not run out for billions of years.

Front

What percentage of energy used in the U.S. comes from renewable sources?

Back

Approximately 10%.

Front

What is a major disadvantage of wind power?

Back

It is not always windy in some places.

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Front

What type of energy uses water held behind a dam?

Back

Hydroelectric energy.

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Front

Define renewable energy.

Back

Energy that is collected from resources that are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat.

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What is non-renewable energy?

Back

Energy from sources that do not replenish at a sustainable rate, such as fossil fuels (coal, oil, natural gas) and nuclear energy.

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Front

List three examples of renewable energy sources.

Back

Solar energy, wind energy, and hydroelectric energy.

Front

What is the environmental impact of using fossil fuels?

Back

Fossil fuels contribute to air pollution, greenhouse gas emissions, and climate change.

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NGSS.MS-ESS3-5

Front

How does solar energy work?

Back

Solar energy is harnessed using solar panels that convert sunlight into electricity.

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