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Unit 2 Vocab
8th gr Science Vocabulary for Unit 2
| Term | Definition |
|---|---|
| Delta | streams make it after depositing |
| Floodplain | many levels of deposited material for flat land |
| Gradient | measures of change in elevation |
| Discharge | the amount of water a stream carries |
| Load | materials carried by the stream |
| Deposition | material dropped |
| Erosion | material carried |
| Alluvial Fan | fan shaped formed on dry land |
| Groundwater | water under the ground |
| Shoreline | where the water and beach meet |
| Beach | area of shoreline where materiel is deposited |
| Mudflow | when mud falls from a hill |
| Landslide | sudden and rapid movement of a large amount of material |
| Creep | when the land is slowly going down the hill |
| Glacier drift | all materials carried by a glacier |
| Loess | fine grained sediment |
| Dunes | sand deposited by the wind in form to form a dune |
| Deflation | removes top layer of fine sediment living behind rock fragments too heavy for the wind to carry |
| Abrasion | grinding and wearing down of rock can happen in areas of strong winds, loose sand and soft rocks. |
| SInkhole | Caused by underground water eroding away soft rock (sometimes forming a cave). When the water level changes, the ground gives way |