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Investigation 2: Weathering and Erosion
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Investigation 2: Weathering and Erosion
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INVESTIGATION 2: WEATHERING ANDEROSION
rock - a solid earth material that is made of minerals
sand - rocks that are smaller than gravel but bigger than silt
silt - rocks that are smaller than sand but bigger than clay
sorting - a process by which particles are separated out from water, wind, or ice by size, shape, or density
deposition - the settling of sediments
erosion - the carrying away of weathered earth materials by water, wind, or ice
sediments - particles of earth materials that are carried along by wind or water
abrasion - the grinding and bumping of rocks that cause physical weathering
basin - a large low area where sediments have been deposited
chemical weathering - the process by which rocks are weathered due to reactions with substances in
water and air
frost wedging - the process of water freezing in the cracks of rocks and breaking them apart
physical weathering - the process by which rocks are broken down by breaking and banging
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