Plate Tectonics

What To Do?

A. Copy and paste the questions below into a word processor.

B. The answers to the questions can be found by viewing the link.  Plate Tectonics or local file

The Theory of Plate Tectonics

1. What is the theory of plate tectonics?
2. What is another name for the Earth’s crust?
3. Who proposed the theory of continental drift? When was the theory proposed?
4. What is the theory of continental drift?
5. List the evidence that supports the theory of continental drift.
6. What was the problem with Wegner's hypothesis?
7. What was suggested to be the driving force for the movements of the plates?
8. Where are the majority of earthquakes and volcanoes found?
9. What is the Mid-Atlantic ridge?
10. What drives the movement of plates?
11. What are convergent plates? What features are formed when two oceanic plates move together? What is subduction?
12. What are divergent plates? What features are formed when two oceanic plates move apart?
13. What is a transform fault?
14. How were the islands in Hawaii formed?
15. At what speed the plates in the lithosphere moving? Where is new crust formed? Where is old crust destroyed?
16. Watch the following flash animation and describe what happens at plate boundaries or local file.
17. Describe how the following ocean ridges were produced.

 The End

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