Glacier Definitions

Question 1

Abrasion

Answer 1

Erosion caused by rocks and boulders in the base of a glacier acting like a giant file

Question 2

Arete

Answer 2

A sharp knife like ridge between two corries

Question 3

Bulldozing

Answer 3

Ice pushes material forwards

Question 4

Conservation

Answer 4

Managing the environment to preserve, protect or restore it

Question 5

Corrie

Answer 5

Armchair shaped hollow in the mountain

Question 6

Drumlin

Answer 6

A hill made of glacial till deposited by a moving glacier

Question 7

Erratics

Answer 7

Rocks which have been transported some distance from their original position by a glacier

Question 8

Freeze thaw weathering

Answer 8

Water getting into cracks in rocks, then freezing overnight, breaking off a piece of rock.

Question 9

Glacial trough

Answer 9

River valley made from a “V” shape to a “U” shape by erosion of a glacier.

Question 10

Hanging Valley

Answer 10

Tributary valley to the main glacier. Too high and cold for ice to be able to easily move. It is therefore less eroded.

Question 11

Land use conflicts

Answer 11

Arguments over who owns and can use land

Question 12

Moraine

Answer 12

Frost shattered rock debris moved by glaciers

Question 13

Outwash

Answer 13

Material like sand or gravel deposited by meltwater streams underneath a glacier

Question 14

Plucking

Answer 14

Meltwater freezes to the glacier and then slides away taking little bits of the glacier away.

Question 15

Pyramidal Peak

Answer 15

Where several corries cut back and meet at one point to make a ridge

Question 16

Ribbon lake

Answer 16

A long narrow lake found in glaciated valleys

Question 17

Rotational slip

Answer 17

Where ice moves in a circular movement eroding a bowl shape

Question 18

Till

Answer 18

Unsorted mixture of sand, gravel and clay transported by glaciers

Question 19

Truncated spur

Answer 19

Former river valley spur which has been cut off by a glacier, forming cliff like edges