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Ch 12- 8th grade sci
Ch 12- 8th grade science
Question | Answer |
---|---|
Shoreline | The boundary between land and a body of water. |
Beach | An area of the shoreline made up of material deposited by waves. |
Saltation | The movement of sand or other sediments by short jumps and bounces that is caused by wind or water. |
Deflation | A form of wind erosion in which fine, dry soil particles are blown away. |
Abrasion | The grinding and wearing away of rock surfaces through the mechanical action of other rock or sand particles. |
Loess | Very fine sediments deposited by the wind. |
Dune | A mound of wind-deposited sand that keeps its shape even though it moves. |
Glacier | A large mass of moving ice. |
Glacial drift | The rock material carried and deposited by glaciers. |
Till | Unsorted rock material that is deposited directly by a melting glacier |
Stratified drift | A glacial deposit that has been sorted and layered by the action of streams or meltwater. |
Mass Movement | A movement of a section of land down a slope. |
Rock Fall | A group of loose rocks that fall down a steep slope. |
Landslide | The sudden movement of rock and soil down a slope. |
Mudflow | The flow of a mass of mud or rock and soil mixed with a large amount of water. |
Creep | The slow downhill movement of weathered rock material. |