Unit 3 Vocabulary

Front

natural resource that cannot be replaced after it is used

Back

nonrenewable resource

Front

natural resource that can be replaced after it is used

Back

renewable resource

Front

energy source formed from dead organisms

Back

fossil fuel

Front

renewable energy from plants and animals

Back

biomass

Front

reduction in the amount of something

Back

depletion

Front

resource that meets present needs without limiting future use.

Back

sustainable resources

Front

dependence on something

Back

reliance

Front

a rock with a natural geometric pattern

Back

crystal

Front

the process by which a substance's molecules or atoms align in a repeating structure

Back

crystallization

Front

valuable material found within rock

Back

ore