Plate Tectonics (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 temperature does the Earth's core exceed?
What temperature does the Earth's core exceed?
5,000°C
What is the density of continental crust compared to oceanic crust?
What is the density of continental crust compared to oceanic crust?
2.6 (lighter than oceanic at 3.0)
At what depth does the asthenosphere lie?
At what depth does the asthenosphere lie?
100-700 km
When did Wegener propose that Pangaea existed?
When did Wegener propose that Pangaea existed?
300 million years ago
Which fossil provided evidence for continental drift between S. America and Africa?
Which fossil provided evidence for continental drift between S. America and Africa?
Mesosaurus
What does palaeomagnetism record in volcanic rocks?
What does palaeomagnetism record in volcanic rocks?
Earth's magnetic field history
At what speed do lithospheric plates typically move?
At what speed do lithospheric plates typically move?
5-10 cm per year
Which plate movement mechanism is considered the stronger factor?
Which plate movement mechanism is considered the stronger factor?
Slab pull
What happens at a constructive plate margin?
What happens at a constructive plate margin?
New crust is generated
How high does the Mid-Atlantic Ridge rise above the ocean floor?
How high does the Mid-Atlantic Ridge rise above the ocean floor?
3 km