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W.E.D.
Weathering, Erosion, and Deposition
| Term | Definition |
|---|---|
| weathering | the breaking down of larger rocks into smaller pieces called sediment |
| erosion | the movement of sediment from one location to another |
| deposition | the drop off or settling of sediment as the motion of the wind or water slows or comes to a stop |
| landform | a natural feature on Earth's surface |
| sediment | small pieces of weathered rock |
| 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 |
| canyon | V-shaped valley; a landform cut from the Earth by river erosion |
| V-shaped valley | Canyon; a narrow landform with steep sides formed by river erosion |
| delta | a landform created at the mouth of a river from the deposition of sediment |
| U-shaped valley | a landform created by the weathering and erosion of rock as a glacier moves down a mountain |
| sand dune | a large hill or mound of sand formed by wind deposition |
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