WEATHERING

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Environmental Science

Earth Systems and Resources

Last updated 9:03 PM on 9/10/22
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10 Terms

1
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What is weathering?
The breakdown of rock material by physical and chemical processes.
2
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What are the two kinds of weathering?
Physical and Chemical weathering.
3
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Physical weathering changes the composition of the rock. (True/False)
False.
4
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What is physical weathering?
The process in which rock is broken down into smaller pieces by physical changes without changing the composition of the rock.
5
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What causes physical weathering?
Temperature Change/ Pressure Change/ Animal Action / Wind, water, and Gravity/ Plant Growth.
6
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Changes in temperature can't cause a rock to break apart. (True/False)
False
7
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A decrease in temperature will cause a rock to expand. (True/False)
False
8
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How does ice wedging work?
Ice wedging causes cracks in rocks to expand as water flows into the cracks and freezes. Over time, the rock will break.
9
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A change in pressure can cause physical weathering. (True/False)
True
10
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Give an example where pressure change is causing physical weathering.