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WED
Vocabulary # 8
Term | Definition |
---|---|
volcano | a mountain made from hardened lava, rocks, and ash that erupted from underneath the Earth's surface |
earthquake | the shaking of the Earth's crust caused by large pieces of rock underneath the Earth's surface moving against each other |
landslide | occurs when gravity pulls down some of the land on the slope of a hill |
weathering | the breaking down of rock on the surface of the Earth, usually by the force of water, wind, or ice |
erosion | the movement of weathered particles by water, wind, or ice |
canyon | the high walls along a river and the river itself |
glacier | a huge piece of ice that slowly moves across the surface of the Earth and remains frozen during the entire year |
deposition | the process by which materials that have been eroded are dropped in a new place |
delta | a large, flat area of land at the mouth of a river formed by the deposition of sediments |
sand dune | a hill of sand formed by the deposition of sand by the wind |