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Glaciers Change
The Land
| Question | Answer |
|---|---|
| glacier | a huge mass of ice and snow that moves slowly over the land |
| valley glacier | a long, narrow glacier that forms when snow and ice build up in a mountain valley |
| continental glacier | a glacier that covers much of a continent or large island |
| ice ages | cold time periods in Earth's history, during which glaciers covered large parts of the surface |
| What are two types of glacial erosion? | plucking and abrasion |
| plucking | the process by which a glacier picks up rocks as it flows over the land |
| abrasion | the grinding away of rock by other rock particles carried in water, ice, or wind |
| till | the sediments deposited directly by a glacier |
| moraine | a ridge formed by the till deposited at the edge of a glacier |
| fiord | forms when the level of the sea rises, filling a valley once cut by a glacier in a coastal region |
| kettle | a small depression that forms when a chunck of ice is left in glacial till |
Created by:
gutierrez
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