ice sheet terms

Question 1

Moulin

Answer 1

vertical shaft in a glacier, formed by surface water percolating through a crack in the ice.

Question 2

Ice sheet

Answer 2

layer of ice covering an extensive tract of land for a long period of time.

Question 3

outlet glacier

Answer 3

valley glacier which drains an inland ice sheet or ice cap + flows through a gap in peripheral mountains.

Question 4

exposed rock

Answer 4

a visible exposure of bedrock or deposits on the surface of the Earth.

Question 5

sea ice

Answer 5

arises as seawater freezes + floats on the oceans surface

Question 6

icebergs

Answer 6

a large floating mass of ice detached from a glacier or ice sheet and carried out to sea.

Question 7

ice shelf

Answer 7

floating sheet of ice permanently attached to a land mass

Question 8

crevases

Answer 8

deep crack that forms in a glacier or ice sheet

Question 9

waterflow

Answer 9

cascade of water falling from a height, formed when a rover or stream flows over a step incline.