Unit 7 Vocab

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Total cards: 10•Content version: v3•Public deck•Updated: 8/1/2026

Card preview (10)

Front (Question)

Biomass

Back (Answer)

Biological material that can be used as a fuel source

Front (Question)

Coal

Back (Answer)

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

Front (Question)

Hydropower

Back (Answer)

Producing electricity from moving water

Front (Question)

Insulation

Back (Answer)

Materials used to reduce the rate of heat transfer

Front (Question)

Natural Gas

Back (Answer)

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

Front (Question)

Optimal

Back (Answer)

The best choice for a given situation

Front (Question)

Petroleum

Back (Answer)

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

Front (Question)

Photovoltaic Cell

Back (Answer)

A device that produces electricity from the sun’s rays

Front (Question)

Subsidy

Back (Answer)

The government giving money to a business

#10

Front (Question)

Anthropogenic

Back (Answer)

Caused by human activity