Glaciers & Glacial Landforms

Question 1

What are glaciers?

Answer 1

Large areas of slow moving ice due to the accumulation of compacted snow.

Question 2

What are alpine’s?

Answer 2

Found in mountainous regions, also known as mountain glaciers or valley glaciers.

Question 3

What are ice sheets?

Answer 3

Formed over larger area of land, large sheets that spread out from the center.

Question 4

Plucking

Answer 4

Glaciers freeze the joints of the bedrock inside and carries away large pieces of debris.

Question 5

Abrasion

Answer 5

Glaciers scrape and polish the landscapes, making it either smooth or causes cuts in it as they carry debris downhill.

Question 6

Aretes

Answer 6

When 2 cirque basins meet. the dividing ridge between them is called an Aretes.

Question 7

Col

Answer 7

When an aretes erodes between 2 cirque basins, forming a mountain pass.

Question 8

Horn

Answer 8

The peak of a cirque basin that forms a pyramid structure. Basically the tip of a mountain.

Question 9

Glacier Landforms

Answer 9

Moraines - the deposition of rock as it’s brought down a valley. This causes ripples in the landscape.
Drumlins - oval shaped hills underneath glacial ice, caused by the flow of ice downhill.
Eskers - deposits of glacial material made by melting glaciers.
Kettle Lakes - shallow depositions in the landscape formed by retracting glacial ice.