Unit 7 Vocab Flashcards

1
Q

Biomass

A

Biological material that can be used as a fuel source

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2
Q

Coal

A

A solid material formed from fossilized plants that is used as a fuel

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3
Q

Hydropower

A

Producing electricity from moving water

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4
Q

Insulation

A

Materials used to reduce the rate of heat transfer

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5
Q

Natural Gas

A

A gaseous mixture formed from fossilized plants and animals that can be separated into various gases that are used as fuel

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6
Q

Optimal

A

The best choice for a given situation

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7
Q

Petroleum

A

A thick liquid mixture formed from fossilized plants and animals that can be separated into various gases that are used as fuel

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8
Q

Photovoltaic Cell

A

A device that produces electricity from the sun’s rays

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9
Q

Subsidy

A

The government giving money to a business

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10
Q

Anthropogenic

A

Caused by human activity

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