Glaciation

Question 1

What is Abrasion

Answer 1

When rocks that are frozen to the base and sides of a glacier scrape the landscape as it moves downhill

Question 2

Alpine glaciers:

Answer 2

Form high up in mountain ranges and move slowly downhill under their own weight

Question 3

Antarctica:

Answer 3

Antarctica:
A frozen continent at the southernmost end of our planet

Question 4

Arctic:

Answer 4

Arctic:
A polar region at the northernmost end of our planet

Question 5

Arête:

Answer 5

Arête:
A sharp ridge that runs between two slopes on a mountain that have been eroded by glaciation

Question 6

Corrie:

Answer 6

Corrie:
A three-sided, armchair-shaped scoop in a mountain where a glacier was born

Question 7

Glacier:

Answer 7

Glacier:
An enormous slab of ice that formed over time in a very cold area

Question 8

Drumlin:

Answer 8

Drumlin:
An oval-shaped mound that formed from deposited material as a glacier retreated due to melting

Question 9

Erratic:

Answer 9

Erratic:
A boulder that has been transported by a glacier from one location and deposited in another

Question 10

Esker:

Answer 10

Esker:
A long ridge of material deposited in layers by glacial meltwater

Question 11

Fiords:

Answer 11

Fiords:
Long and deep bodies of water that reach very far inland. They form in U-shaped valleys.

Question 12

Glacier:

Answer 12

Glacier:
An enormous slab of ice that formed over time in a very cold area

Question 13

Hanging valley:

Answer 13

Hanging valley:
Forms where a smaller glacier joined a larger one

Question 14

Hydroelectric power:

Answer 14

Hydroelectric power:
To generate power (electricity) from water (hydro), through dam construction

Question 15

Ice age:

Answer 15

Ice age:
A long period of global cold temperatures that results in the expansion of glaciers

Question 16

Ice sheets:

Answer 16

Ice sheets:
A type of glacier that covers a very large area; sometimes called continental glaciers

Question 17

Interglacial periods:

Answer 17

Interglacial periods:
Times between ice ages

Question 18

Kettle lakes:

Answer 18

Kettle lakes:
Form as eroded holes in the landscape fill with water

Question 19

Outwash plain:

Answer 19

Outwash plain:
An area of land formed by deposited material from a melting glacier

Question 20

Plucking

Answer 20

Plucking:
When rocks, trees and other materials become frozen inside the glacier and are ‘plucked’ from their original position as the glacier moves slowly downhill

Question 21

Pyramidal peak:

Answer 21

Pyramidal peak:
The sharp top of a mountain that has been shaped on all sides by glacial erosion; also called horn

Question 22

Ribbon lakes:

Answer 22

Ribbon lakes:
Form in glaciated landscapes where soft rock was eroded deeper than surrounding hard rock

Question 23

Rotational slip:

Answer 23

Rotational slip:
The process of a glacier sliding slowly down the side of a mountain due to melting ice

Question 24

Sole:

Answer 24

Sole:
The bottom section of a glacier that is in contact with land

Question 25

Striations:

Answer 25

Striations:
Scratches in the landscape left behind by glaciers

Question 26

Tarn:

Answer 26

Tarn:
A small mountain lake formed by glaciation

Question 27

Truncated spur:

Answer 27

Truncated spur:
Was once an interlocking spur but was later eroded

Question 28

U-shaped valley:

Answer 28

U-shaped valley:
A valley that has been carved or scooped out by glacial erosion

Question 29

Zone of accumulation:

Answer 29

Zone of accumulation:
The upland area where snow builds to form a glacier