Mechanical Weathering Processes (Leaving Cert Geography): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does mechanical weathering do to rocks?
What does mechanical weathering do to rocks?
Breaks them without changing composition
What is mechanical weathering also called?
What is mechanical weathering also called?
Physical weathering
By what percentage does water expand when it freezes?
By what percentage does water expand when it freezes?
9%
What pressure does freezing water create inside rock cracks?
What pressure does freezing water create inside rock cracks?
About 110 kg/cm²
What are accumulations of broken, angular rock fragments at slope bottoms called?
What are accumulations of broken, angular rock fragments at slope bottoms called?
Scree
Which Irish mountain shows extensive scree from freeze-thaw weathering?
Which Irish mountain shows extensive scree from freeze-thaw weathering?
Croagh Patrick in County Mayo
Does exfoliation require water to occur?
Does exfoliation require water to occur?
No, it doesn't require water
What is exfoliation sometimes called?
What is exfoliation sometimes called?
Onion weathering
How much more does quartz expand compared to feldspar when heated?
How much more does quartz expand compared to feldspar when heated?
Three times as much
What is block disintegration?
What is block disintegration?
Breakdown into rectangular blocks
What causes doming to occur?
What causes doming to occur?
Pressure release from material removal
Which Irish location is an example of a tor formed through doming?
Which Irish location is an example of a tor formed through doming?
Three Rock Mountain in County Dublin