Glaciers

2. Knife-edged ridge between two corries
3. Water surrounding a glacier freezes onto nearby rocks and pulls them away with as it moves
4. The river that flows through a valley after the ice age
7. An armchair-shaped hollow in the side of a mountain
10. U shaped valley with steep sides and a flat bottom
12. The removal of snow or ice from a glacier by the act of melting
13. Lake at the bottom of a corrie
14. A piece of rock that differs from the rock in the place of which it lies
15. Moraine frozen into a glacier scours the valley base and sides

1. A moving frozen river or mass of ice
3. Formed when three or more corries cut backwards into a mountain
5. A collection of rock fragments at the bottom of a hill or cliff
6. A half egg shaped mound caused by a glacier's deposits
8. Material carried by a glacier
9. The base of a glacier melts, allowing it to move down a valley
11. Valleys which are not eroded as deeply as the main valley in which it lies