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15 Cards in this Set
- Front
- Back
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canals and gated passageways |
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tributary |
a small river that flows into a larger river |
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levee |
embankments to control the flooding and reduce the damage to homes and crops |
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Continental Divide |
an imaginary line through the Rocky Mountains that separates rivers that flow west from rivers that flow east |
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coastal plain |
a flat lowland next to a coast |
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fall line |
an area where waterfalls flow from higher to lower ground |
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cordillera |
a region of parallel mountain chains |
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timberline |
the elevation above which it is too cold for trees to grow |
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ethanol |
a liquid fuel made from plants |
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national parks |
large areas of great natural beauty |
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chinook |
a dry wind |
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indigenous |
people who are believed to be the first people to settle an area |
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nomadic |
describes a way of life in which a person or group lives by moving from place to place |
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pueblo |
a town built by the Pueblo people in the American Southwest |
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colonist |
people who are sent to live in a new place and claim land for their home country |
