Tectonic Plate Activity (Leaving Cert CASD): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the lithosphere?
What is the lithosphere?
Earth's crust and upper mantle in plates
At what rate do tectonic plates typically move per year?
At what rate do tectonic plates typically move per year?
2-15 centimetres
In what year did Alfred Wegener propose continental drift?
In what year did Alfred Wegener propose continental drift?
1912
When did the supercontinent Pangaea begin breaking apart?
When did the supercontinent Pangaea begin breaking apart?
200 million years ago
Which evidence supported Wegener's continental drift theory?
Which evidence supported Wegener's continental drift theory?
Matching rocks in Brazil & West Africa
What did Harry Hess propose about ocean ridges?
What did Harry Hess propose about ocean ridges?
Molten rock rises, forming new crust
What are subduction zones?
What are subduction zones?
Where crust sinks into ocean trenches
When did John Tuzo Wilson propose the hot spot theory?
When did John Tuzo Wilson propose the hot spot theory?
1963
What characteristic defines hot spots in the mantle?
What characteristic defines hot spots in the mantle?
They are fixed while plates move over them
How do mountains created by plate collisions affect climate?
How do mountains created by plate collisions affect climate?
They alter wind patterns & rain shadows