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What is a paradigm shift?
2
Outline the evidence that Wegner suggested to support his theory of Continental drift. 10
What was the flaw in his theory?
2
What is the idea behind the section on ‘magnetic attractions’? Use Fig 3 to help 10
What happened between 1963 and 1973?
6
How is the theory of plate tectonics linked to the occurrence of volcanoes
and earthquakes?
4
7. What is the link between tin and silver and plate tectonics?
4
8. How important were Wegner’s ideas to plate tectonics? Could the revolution
have taken place without Wegner?
6
The article is also found in shared docs/geography/U6 GRS/Tectonics