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chap 7 vocab

vocabulary

TermDefinition
weathering chemical or mechancial process that breaks down and changes rocks on or near earths surface and whose rate is influenced by factors such as precipitation and trpmeraute.
mechancial weathering process that breaks down rocks and minerals into smaller pieces but does not involve any change in their composition
frost wedging mechanical weathering process that occurs when water repeatedly freezes and thaws in the crcks and rocks often resulting in rocks spilitting
exfoliation mechanical weathering process in which outer layer rock layers are stropped away often resulting in dome shpaed formations.
chemical weathering process by which rocks and minerals undergo changes in their compostion due to chemical reactions with agents such as acids water oxygen and carbon dioxide
oxidation chemical reaction of oxygen with other substances.
erosion removal and transport of weathered materials from one location to another by agents such as water wind glaciers nad gravity.
deposition occurs when eroded materials are dropped in another location.
rill erosion erosion in which which water running down the side of fa slope carves a small stream channel.
gully erosion erosion that occurs when a rill when a rill channel widens and deepens.
soil loose covering of weathered rock and decayed organic matter overlying earths bedrock that is characterized by texture fertility and colro and hwose compostion is determined by its parent rock and enviromental conditions.
residual soil soil that develops from parent material which is similar to local bedrock.
transported soil soil that has been moved away from its parent material by water wind or a glacier.
soil profile vertical wequence of soil layers containing a horizon b horizon c horizon
soil horizon distinct layer within a soil profile
Created by: melissa2014
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