Glaciation

Question 1

Two types of glaciers?

Answer 1

Valley
Continental

Question 2

What are continental glaciers?

Answer 2

Large ice sheets thousands of meters thick
Cover large parts of continents
Found in Antarctica and Greenland

Question 3

What are valley glaciers?

Answer 3

Huge frozen rivers the flow slowly
Found in mountain ranges
Alps
Himalayas

Question 4

Features of erosion

Answer 4

Striations
U-shaped valleys
Horns

Question 5

Striations

Answer 5

Caused by rocks at the bottom of glaciers scraping over the land.
Provide us with direction in which the glaciers has moved.

Question 6

U-shaped Valleys

Answer 6

When a glacier moves down a V-shaped valley it deepens it and widens it.
Spurs that were there are worn away

Question 7

Horns

Answer 7

When there are moves than one glacier on a mountain they erode of several sides.
This creates a sharp peak, called a horn
Eg.) Matterhorn in Switzerland

Question 8

Features of deposition

Answer 8

Erratics
Moraines
Drumlims

Question 9

Erratics

Answer 9

Large boulders that are ransported by glaciers.
Look out of place.

Question 10

Moraines

Answer 10

Deposit a mixture of material that a glacier was moving until it melted.
Material that was on the side are deposited in parallel to the sides. Material deposited at the end forms ridge across the valley

Question 11

Drumlins

Answer 11

Small ridges formed by a glacier moving over a moraine.
Shaped like an upside down spoon.