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Chapter 3
| Question | Answer |
|---|---|
| erosion | the process by which water, ice,wind, or gravity moves weathered partials of rock and soil |
| sediment | small, solid pieces of material that comes from rocks or the remains of organisms earth materials deposited by erosion |
| deposition | process in which sediment is laid down in new location |
| gravity | the attractive force between objects the force that moves objects downhill |
| mass movement | any one of several processes by which gravity moves sediment downhill |
| runoff | water that flows over the ground surface rather than soaking into the ground |
| rill | a tiny groove in soil made by flowing water |
| gully | a large channel in soil that carries runoff after a rainstorm |
| stream | a channel through which water is continually flowing downhill |
| tributary | a stream or river that flows into a larger river |
| flood plain | the flat wide area of land along a river |
| meander | a looplike bend in the course of a river |
| oxbow lake | a meander cut off from a river |
| delta | a landform made of sediment that is deposited where a river flows into an ocean or lake |
| alluvial fan | a wide, sloping deposit of sediment formed where a stream leaves a mountain range |
| groundwater | water that fills the cracks and spaces in underground soil and rock layers |
| stalactite | an icicle like structure that hangs from the ceiling of a cavern |
| stalagmite | a column like form that grows upward from the floor of a cavern |
| karst topography | a region in which a layer of limestone close to the surface creates deep valleys, caverns, and sinkholes |
| glacier | any large mass of ice that moves slowly over land |
| continental glacier | a glacier that covers much of a continent or large island |
| ice age | time in earths history during which glaciers covered large part of the surface |
| valley glacier | a long narrow glacier that forms when snow and ice build up in a mountian valley. |
| plucking | the process by which a glacier picks up rocks as it flows over the land |
| till | the sediments deposited directly by a glacier |
| moraine | a ridge formed by the till deposited at the edge of a glacier |
| kettle | a small depression that forms when a chunk of ice is left in glacier till. |
Created by:
MaddieKinney