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5.7B Slow Changes

Earth's Changes Unit

TermDefinition
canyon V-shaped valley. A landform cut from the Earth by erosion.
delta A landform created at the mouth of a river from the deposition of sediment.
frost wedging A type of weathering that occurs when water trapped in cracks and pores of rocks repeatedly freezes and melts.
glacier A large mass of ice that slowly moves down mountains and valleys.
sand dune A large hill or mound of sand formed by wind deposition.
sediment Small pieces of weathered rock.
u-shaped valley A landform created by the weathering and erosion of rock as a glacier moves down a mountain.
v-shaped valley Canyon. A narrow landform with steep sides formed by river erosion,.
weathering The breaking down of larger rocks into smaller pieces called sediment.
erosion The movement of sediment from one place to another by wind, water, or ice.
deposition The dropping of sediment in a new location by wind, water, or ice.
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