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erosion/weathering

erosion and weathering

QuestionAnswer
Chemical weathering Occurs when the chemical composition of rock changes.
Mechanical weathering A weathering that breaks rocks into smaller pieces without changing them chemically.
Oxidation A chemical reaction causing a mineral to rust. It changes the color of the rock to a reddish, brown.
Erosion Is the wearing away and removal of rocks or sediments.
Abrasion Is a form of erosion that can make pits in rocks and produce a smoother surface
Deflation Erosion of land that occurs when wind blows across loose sediments and carries them away, often leaving heavy particles.
Runoff Water that flows over Earth's surface.
Creep A process in which sediments move slowly downhill.
Slump Ocurrs when a mass of rock moves downhill along a curved surface.
Mass Movement Occurs when gravity alone causes rocks to move down a slope.
Weathering Natural mechanical or chemical process that causes rocks to change by breaking them down.
Created by: chris705
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