WEATHERING AND EROSION

CHEMICAL WEATHERING

• The erosion or disintegration of rocks,etc. caused by chemical reactions
• Can be shown by stained rock
• Acid rain

MECHANICAL WEATHERING

• The process of weathering of which physical forces break down rock
• Ex. Weed growing in a crack and when water freezes in a crack

WATER EROSION

• The breakdown of rock into smaller particles and it's removal by water
• Ex. Grand Canyon, streams and rivers

WIND EROSION

• The detachment, transportation and deposition of topsoil/sand by wind
• Usually happens in deserts and beaches

GLACIAL EROSION

• Movement of soil/rock from one point to another by the moving of a glacier
• This happens over a long period of time

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