Physical processes 1 (Edexcel GCSE Geography A): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are the two fundamental processes that shape river landscapes?
What are the two fundamental processes that shape river landscapes?
Weathering and mass movement
What does weathering refer to in river valleys?
What does weathering refer to in river valleys?
Breakdown of rock in original position
By what percentage does water expand when it freezes during freeze-thaw weathering?
By what percentage does water expand when it freezes during freeze-thaw weathering?
9%
What are the loose rock fragments that accumulate at the base of slopes called?
What are the loose rock fragments that accumulate at the base of slopes called?
Scree
How does chemical weathering differ from mechanical weathering?
How does chemical weathering differ from mechanical weathering?
It changes rock's chemical composition
In granite weathering, what does feldspar transform into?
In granite weathering, what does feldspar transform into?
Soft clay minerals
In which climate is chemical weathering most effective?
In which climate is chemical weathering most effective?
Warm and humid
What makes biological weathering unique compared to other weathering types?
What makes biological weathering unique compared to other weathering types?
Combines physical & chemical processes
What is mass movement?
What is mass movement?
Downward movement of weathered material
When is sliding most likely to occur?
When is sliding most likely to occur?
After heavy rainfall
What causes slumping to occur in river valleys?
What causes slumping to occur in river valleys?
River erodes bottom of valley slope
What distinctive feature does slumping create?
What distinctive feature does slumping create?
Curved failure surfaces