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10 Cards in this Set
- Front
- Back
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models
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1. help explain the real world
2. easy to use because they are small 3. can show complex systems in a simple way |
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streams
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1. begin by melting snow and ice
2. some begin by springs. |
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weathering
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the process by which rock breaks down into different earth materials, including soil
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precipitation
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when water returns to the earth as rain, snow, or sleet
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tributary
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a place where smaller streams meet to form a large river
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runoff
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water that flows over land
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erosion
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earth materials moved to other places that change the land
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sediment
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materials deposited by water
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gully
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a ditch created by a continuous flow of water
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spring
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water that flows slowly underground then finds it's way to the earths surface
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