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23 Cards in this Set
- Front
- Back
What are HORIZONS?
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differnt layers of the earth
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What is Humus?
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decayed organic material
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What is Loam?
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All three particals are all equals groups
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What is sand?
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The largest kind of partical
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what is sediment
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small particals produced by weathering
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what is texture?
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the amount of each kind of particle in the soil sample
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What is a delta?
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area of sediment at the mouth of a river
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what is the term for wind water and ice drops sediment in new locations.
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depostion
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area that commly floods
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floodplain
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sediment that a stream carries
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load
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ice formations formed by snow that doesn't melt and more and more snow layers on top of it.
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glacier
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sediment deposit by a glaciers as it melts
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morain
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when rocks rub against each other
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abrasion
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changes rock into a differnt substance
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chemical weathering
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the breaking down of rocks
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weathering
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what is the first layer of soil
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topsoil
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what is the second layerr of the earth
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subsoil
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what is the third layer of soil
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bedrock
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what is the differnts between weathering and erosion
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weathering is when it breaks down rocks but erosion don't
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list 6 different types of mechanical erosion
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1.abrasion 4.exfoliation
2.frost wedging 5.pressure release 3.frost heaving 6.hoodos |
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list 6 types of chemical weathering
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1.oxadation 2.lichens
3.limestone caves 4.acid rain 5. carbonic acid 6.spelethemes |
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what is the primary force behind erosion
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gravity
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what is 3 agents of erosion
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wind
water ice |