Geography and Earth Science Terms

Front

Dam

Back

a barrier built across a river

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Erosion

Back

the process that moves weathered rock from one place to another.

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Feature

Back

a unique, important part

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Mountain range

Back

a group of mountains

Front

Nonrenewable resource

Back

a resource that may run out or that does not have an unlimited supply

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Rate of erosion

Back

how quickly or slowly erosion occurs

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Relief map

Back

a map with raised land features

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Renewable resource

Back

a resource that will not run out or that has an unlimited supply

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Rock layer

Back

stripes in Earth’s surface. Fossils in the rock layers provide evidence of past environments, revealing changes over time. The oldest layers are at the bottom, and the youngest layers are at the top.

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Sediment

Back

weathered rock that is carried away by wind, water, ice, or gravity