click below
click below
Normal Size Small Size show me how
unit 8
Weathering and Erosion
| Term | Definition |
|---|---|
| weathering | the natural process by which atmospheric and environmental agents, such as wind, rain, and temperature changes, disintegrate and decompose rocks. |
| physical weathering | the mechanical breakdown of rocks into smaller pieces is caused by natural processes and does not change the chemical composition of the rocks material. |
| abrasion | the process by which rock is reduced in size by the scraping action of other rocks driven by water, wind, and gravity. |
| chemical weathering | the chemical breakdown and decomposition of rocks by natural processes in the environment. |
| oxidation | |
| acid precipitation | |
| erosion | |
| deposition | |
| floodplain | |
| delta | |
| alluvial fan | |
| groundwater | |
| shoreline | |
| beach | an area of the shoreline the shoreline that is made up of deposited sediment. |
| sandbar | |
| barrier island | A long ridge of sand of sand or narrow island that lies parallel to the shore. |
| dune | |
| loess | |
| glacier | |
| glacial drift | |
| creep | the slow downhill movement of weathered rock material. |
| rockfall | |
| landslide | |
| mudflow | |
| mountain | |
| lake | |
| river | |
| coastline | a location where land and ocean surface meet. |