Topic 1 Frozen Planet

Question 1

Define a Glacier

Answer 1

Slowly moving river of ice formed by the build up of snow

Question 2

Define Latitude

Answer 2

How far away something is from the equator

Question 3

Define Continentality

Answer 3

The distance to the nearest ocean/sea

Question 4

Define Altitude

Answer 4

Hiw high someone is from sea level

Question 5

What is a cold environment

Answer 5

Area of land permamently covered by ice

Question 6

Define Glacial retreat

Answer 6

When Ablation is more than accumulation so the glaciar shrinks

Question 7

Define Glacial Advance

Answer 7

When Accumulation is more than Ablation so the glaciar grows

Question 8

Define Accumulation

Answer 8

The zone where there are inputs into the glaciar

Question 9

Define Ablation

Answer 9

Zone where there are outputs from the glaciar

Question 10

What is a Basal Sliding

Answer 10

Glaciar moving over the bed with meltwater as a lubricant

Question 11

Define Erosion

Answer 11

The wearing away and removal of material

Question 12

Define Plucking

Answer 12

Meltwater at the base of the glaciar freezes in the cracks and as the glaciar moves along it pulls the rocks out.

Question 13

Define Freeze-thaw weathering

Answer 13

Water freezes into cracks and lengthens and widens them

Question 14

What is a corrie

Answer 14

A deep, armchair-shaped hollow found in the side of a mountain

Question 15

What is a tarn

Answer 15

A lake at the base of a corrie

Question 16

What is a U-shaped valley

Answer 16

A valley with steep sides and a wide, flat base