Weathering
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| weathering | the natural process by which atmospheric and environmental agents, such as wind, rain, and temperature changes, disintegrate and decompose rocks
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| physical weathering | the mechanical breakdown of rocks into smaller pieces that is caused by natural processes and that does not change the chemical composition of the rock material
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| release of pressure | pressure is released: rock cracks like an egg shell
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| ice wedging | water fills in the cracks of rocks and freezes and pushes a rock apart
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| animal reasons | burrowing: animals digging holes
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| plant growth | plants pushing rocks apart as roots grow
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| abrasion | process by which rock is reduced in size by the scraping action of other rocks driven by water, wind, and gravity
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| chemical weathering | the chemical breakdown and decomposition of rocks by the natural processes in the environment
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| oxidation | chemical reaction in which a material combines with oxygen to form a new material
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| acid precipitation | CO2 + rainwater
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| sediments | small, solid pieces of material from rocks or living things
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| glacier | a large mass of ice that exists year round and moves over land
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| deposition | the process in which material is laid down
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| delta | a mass of material deposited in a triangular or fan shape at the mouth of a river or stream
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| alluvial fan | a fan-shaped mass of material deposited by a stream when the slope of the land decreases sharply
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| sedimentary rock | a rock that forms from compressed or cemented layers of sediment
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
SSC 8th LA
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