Ice lands Flashcards
0
Q
What is a crevas?
A
A crevas is a massive crack in the ice, they can be several metres wide or deep.
1
Q
What is a Glacier?
A
A glacier is a huge river of moving ice which moves down the mountain under the force of gravity.
2
Q
What is an ice age?
A
An ice age is when temperatures get so low that many areas on land and sea become frozen.
3
Q
What causes an ice age?
A
Elliptical orbit of the earth
Tilt of the earth
Changing albedo (reflection of the sun)
4
Q
What is a pyramidal peak/horn?
A
It is an angular, sharply pointed mountain peak.
5
Q
What is an arête?
A
A thin almost knife like ridge of rock.
6
Q
What is a cirque/corrie?
A
A type of bowl where the ice is surrounded by 3 tall pieces of rock.
