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Stack #4548947
| Question | Answer |
|---|---|
| Erosion | The process in which water, ice, wind, or gravity moves weathered particles of rock and soil. |
| Sediment | Small, solid pieces of material the come from rocks or the remains of organisms; earth materials deposited by erosion. |
| Deposition | Processing which sediment is laid down in new locations. |
| Gravity | The attractive force between objects; the force that moves objects downhill. |
| Mass Movement | Any one several process 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 chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust. |
| 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. |
| Stalagmite | A column like form that grows upward from the floor of a cavern. |
| Stalactite | An icicle-like structure that hands from the ceiling of a cavern. |
| Karst Topography | A region in which a layer of limestone close to the surface creates deep valleys, cavern, 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 Earth's history during which glaciers covered large parts of the surface. |
| Valley Glacier | A long, narrow glacier that forms when snow and ice build up in a mountain valley. |
| Plucking | The process by which a glacier picks up rocks as it flows over the land. |
| Till | The sediment 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 glacial till. |