Glaciation- UK physical landscapes

Question 1

What is abrasion?

Answer 1

Erosion caused by rocks and boulders in the base of a glacier acting as a giant file scratching and scraping rocks below.

Question 2

What is an Arete

Answer 2

A sharp, knife like ridge formed between two corries cutting back by erosion and freeze-thaw.

Question 3

What is bulldozing?

Answer 3

Ice pushes material of all shapes and sizes as it moves slowly forward.

Question 4

What is conservation?

Answer 4

Managing the environment in order to preserve, protect or restore it.

Question 5

What is a corrie?
(cirque or cwm)

Answer 5

Basin shaped hollows due to a glacier being formed and moving causing abrasion and plucking, steepening the back wall.

Question 6

What is a pyrimidal peak?

Answer 6

Sharp, jagged angular mountain peak found in glacial areas, formed when 3 or more corries erode back to back.

Question 7

What is a hanging valley?

Answer 7

A secondary valley that is much higher than the main valley it join onto.

Question 8

What is a truncated spur?

Answer 8

They form from interlocking spurs, when a glacier has cut through existing interlocking spurs.

Question 9

What is a ribbon lake?

Answer 9

A narrow lake found in a u-shaped valley after the glacier has melted.