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Earth Science Gr7
Chapter 6
| Term | Definition |
|---|---|
| erosion | the moving of weathered material, or sediment, from one location to another |
| deposition | the layering down or settling of eroded material |
| meander | a broad, C-shaped curve in a stream |
| longshore current | a current that flows parallel to the shoreline |
| delta | a large deposit of sediment that forms where a stream enters a large body of water |
| abrasion | the grinding away of rock or other surfaces as particles carried by wind, water, or ice scrape against them |
| dune | a pile of windblown sand |
| loess | a crumbly, windblown deposit of silt and clay |
| mass wasting | the downhill movement of a large mass of rocks or soil due to gravity |
| landslide | rapid, downhill movement of soil, loose rocks, and boulders |
| talus | a pile of angular rocks and sediment from a rockfall |
| glacier | a large mass of ice, formed by snow accumulation on land, that moves slowly across Earth's surface |
| till | a mixture of various sizes of sediment that has been deposited by a glacier |
| moraine | a mound or ridge of unsorted sediment deposited by a glacier |
| outwash | layered sediment deposited by streams of water that flow from a melting glacier |