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23 Cards in this Set

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