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• ES15 Telecourse
• Video 5 Questions
• Birth of a Theory

The following questions pertain to information contained in Video 5 "Birth of a Theory" in the Earth Revealed Series.  Please keep your answers as short and concise as possible.

1. Briefly explain the theory of Plate Tectonics.
2. What is sea floor spreading, and who proposed this concept?
3. What is subduction?
4. Why did Alfred Wegener believe in Continental Drift?
5. What is Paleomagnetism?
6. Explain how magnetic reversals support the theory of sea floor spreading.
7. What type of activity occurs at mid ocean ridges?
8. What might be the cause or the driving mechanism of plate tectonics?
9. What is Gondwana?
10. Why can you find similar rocks along the east coast of South America and the west coast of Africa?
11. What is a Fathometer?

Video Questions

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