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Chapter 7 ES

TermDefinition
Weathering - chemical or mechanical process that breaks down and changes rocks on or near Earth's surface and whose rate is influenced by factors such as precipitation and temperature.
Mechanical 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 cracks of rocks often resulting in rocks splitting.
exfoliation - mechanical weathering process in which outer rock layers are stripped away often resulting in dome shaped formations
chemical weathering - process by which rocks and minerals undergo changes in their composition due to chemical reactions with agents such as acids water oxygen and carbon dioxide.
oxidation - chemical reaction of oxygen with other substance.
erosion - removal and transport of weathered materials from locations to another by agents such as water wind glaciers and gravity.
deposition - occurs when eroded materials are dropped in another location.
rill erosion - erosion in which water running down the side of a slope carves a small stream channel.
gully erosion - erosion that occurs when a rill channel widens and deepens.
Created by: garrettreed
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