Weathering (AQA A-Level Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What term describes the loose rock material produced by weathering that remains in place?
What term describes the loose rock material produced by weathering that remains in place?
Regolith
Which two types of weathering dominate in cold glacial environments?
Which two types of weathering dominate in cold glacial environments?
Mechanical & chemical
What is frost shattering?
What is frost shattering?
Rock breaking from freezing water in cracks
What temperature conditions are needed for effective freeze-thaw weathering?
What temperature conditions are needed for effective freeze-thaw weathering?
Above 0°C by day, below 0°C at night
By what percentage does water expand when it freezes?
By what percentage does water expand when it freezes?
Nearly 10%
What is scree?
What is scree?
Angular rock debris at slope bases
How does rock debris reach the base of a glacier?
How does rock debris reach the base of a glacier?
Through crevasses & moulins
On which slopes is nivation particularly active in the northern hemisphere?
On which slopes is nivation particularly active in the northern hemisphere?
North-facing & east-facing
Which processes combine to form nivation?
Which processes combine to form nivation?
Freeze-thaw, chemical, & meltwater
What landform can develop from enlarged nivation hollows over long periods?
What landform can develop from enlarged nivation hollows over long periods?
A corrie (cirque)