Coastal Processes (OCR GCSE Geography A (Geographical Themes)): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
In hydraulic action, what happens to air trapped in cracks in the rock?
In hydraulic action, what happens to air trapped in cracks in the rock?
It is forced in and breaks the rock
Which erosion process involves fragments acting like sandpaper on the cliff base?
Which erosion process involves fragments acting like sandpaper on the cliff base?
Abrasion
What happens to rock fragments during attrition?
What happens to rock fragments during attrition?
They rub against each other underwater
Which rocks can be dissolved by seawater through solution erosion in the UK?
Which rocks can be dissolved by seawater through solution erosion in the UK?
Chalk and limestone
What happens to water in freeze-thaw weathering when temperatures drop?
What happens to water in freeze-thaw weathering when temperatures drop?
It freezes and expands the crack
What type of rocks are affected by chemical weathering from weak acids?
What type of rocks are affected by chemical weathering from weak acids?
Limestone or chalk
How do plant roots cause biological weathering of rocks?
How do plant roots cause biological weathering of rocks?
Roots burrow into cracks and widen them
How are particles transported in suspension?
How are particles transported in suspension?
Carried suspended within the water
What happens to pebbles during saltation?
What happens to pebbles during saltation?
They bounce along the sea bed
What is the fetch?
What is the fetch?
The distance waves have travelled
What is a key characteristic of constructive waves?
What is a key characteristic of constructive waves?
Powerful swash that constructs beaches
What causes destructive waves to form?
What causes destructive waves to form?
Local storms close to the coastline
What usually causes rockfalls?
What usually causes rockfalls?
Freeze-thaw weathering