Log in to GEO and try this 10-question GCSE quiz to see how much you know about glacial erosion.

If you haven't already done it work through the 'Glacial erosion' web unit to learn more. Or look at it again to help fill in any gaps in your knowledge about the formation of U-shaped valleys, corries, pyramidal peaks and other erosional landforms and processes.

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HIGH SCORES

Rank Name Score
1st MOE 20
2nd dut 18
3rd gjc 15
4th Abr 12
5th TJS 9
6th ### ###
7th ### ###
8th ### ###
9th ### ###
10th ### ###

QUIZZES // Glacial erosion

Q1. What percentage of the world’s land area would you estimate is currently covered by glacial ice?

1%

10%

35%

80%

Q2. Which parts of the British Isles were not covered in ice in the last Ice Age?

Wales and southern England

Southern England

Ireland

Scotland and northern England

Q3. At the peak of the last Ice Age, around 20,000 years ago, so much water was in the form of ice that sea levels were lower than they are today. But how much lower?

1 metre

12 metres

120 metres

210 metres

Q4. Which one of the following is the right term for the removal of weathered bedrock or other material by glacial ice?

Lithography

Basal slip

Striation

Erosion

Q5. Which one of the following landforms has three or more corries?

arête

pyramidal peak

tarn

glacial trough

Q6. Which of these glacial processes creates striations?

abrasion

ablation

crushing

plucking

Q7. Which one of the following is a feature of a glacial trough?

V-shaped valley

glacial flour

hanging valley

outwash plain

Q8. Which one of these features is characteristic of a rôche moutonée but not a depositional crag and tail?

made of solid rock

formed by ice moving over an obstacle

one steep side and one side that is more gently sloping

shows the direction of ice movement

Q9. Which of these types of glacial erosion creates the jagged, fractured end (down-glacier) of a rôche moutonée?

plucking

abrasion

hydraulic action

chemical erosion by meltwater under the glacier

Q10. Rôches moutonées show the direction of ice movement. How do they do this?

The ice flowed up the jagged lee side and over the gentler slope of the smooth stoss side

The ice flowed up the gentler slope of the smooth stoss side and over the jagged lee side

It isn’t possible to tell from one rôche moutonnée but you can orient glacier direction from a field of rôches moutonées

Glacial flow is at right angles to the stoss slope of the rôche moutonée.

Finished!

You scored this time. The more correct answers you give, and the fewer incorrect answers you guess, the better your score.

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