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Vocab 8
| Question | Answer |
|---|---|
| weathering | the natural process of deposotion |
| physical weathering | breakdown of rocks |
| abrasion | rock reducing by size |
| chemical weathering | chemical breakdown of rocks |
| oxidation | a chemical reaction |
| acid precipitation | precipation with acids of high |
| erosion | the prcess by which wind water ice or gravity transports soil and sediment from one location to another |
| deposition | the process which material is laid down the change from a gas to a solid directly |
| floodplain | a long area along a river that forms from sediments edposited when river overflows its banks |
| delta | a mass of material deposited in a triangular or fan shape at the mouth of a stream |
| alluvial fan | a fan shaped mass of rock material deposited by a stream |
| groundwater | the water benath earths surface |
| beach | an area of the shoreline that is made up of depostied sediment |
| sandbar | a low ridge of sand deposited along the shore |
| barrier island | a long ridge of sand narrow island that lies parrelel to the shore |
| dune | a mound of wind deposited sand that moves asa result of action in the wind |
| loess | fine grained sediments of quartz feldspear hornblende mica and clay deposited by wind |
| glaicer | a large mass of ice that exist year round and moves over land |
| glacial drift | the rock material carried and deposited by glaicers |
| creep | the slow downhill movement of weathered rock material |
| rockfalll | tha rapid mass movement of rock down a steep slope or cliff |
| 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 lot of water |
| mountain | an area of significantly increased elevation on earths surface |
| lake | a filled or partially filled basin of fresh or salt water |
| river | a llarge natural stream of water that flows across land surfaces withing a channel |
| coastline | a location where land and ocean surface meet |