| Term | Definition |
|---|
| glacier | a slowly moving mass of ice |
| continental glacier | a glacier that spreads out from a central mass of ice |
| valley glacier | a long, narrow glacier that forms when snow and ice build up high in a mountain |
| turbulence | unstable flow of a liquid or gas |
| deposition | the act of depositing something somewhere else |
| erosion | the carrying away of rock particles |
| abrasion | the action of rocks grinding against other rocks |
| till | a mixture of sediment that the glacier deposits directly on the surface (made of clay, silt, sand, pebbles, rocks, boulders) |
| moraine | forms where a glacier deposits mounds off ridges of till |
| kettle | a small depression(hole) that forms when a chunk of ice is left ina glaciatill |
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