| Term | Definition |
| glacier | any large mass of ice that moves slowly over land |
| continental glacier | a glacier that covers much of a continent or large island |
| valley glacier | a long,narrow glacier that forms when snow and ice build up high in a mountain valley |
| plucking | a glacier flows over the land it picks up rocks in a process called this |
| various landforms | when a glacier melts it deposits the sediment it eroded from the land, creating this |
| 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 glacial till |
| ice ages | times in the past when glaciers covered large parts of the worlds surface |
| where can glaicers form | In areas where more snow falls then melts |
| terminal moraine | Ridge at the farthest point reached by a glaicer |
| drumlin | Long moud of till that is smoothed in the dirction of he glaicer's flow |
| cirque | Bowl-shaped hollow eroded by a glaicer |
| arĂȘte | sharp ridge separating two cirques |
| fiord | Sea-filled valley cut by a glacier in a coasta region |