Watch the SHOWME video for a short synopsis:
http://www.showme.com/sh/?h=NI7U2rY
Review Questions
1. What is the theory of plate tectonics?
2. What is the evidence for the plate tectonics theory? (Briefly describe each)
Geographic –
Fossil –
Paleomagnetic –
3. There are seven major crustal plates that make up the earth’s surface. What are their names and what parts of the planet’s crust do these plates include?
4. What are the major driving forces for earth’s plates?
5. Plate tectonics is described as a unifying theory. We now have a consistent explanation for earthquakes, volcanoes, mountain ranges, deep ocean trenches, mid-ocean ridges and island chains. Briefly describe, for each, how plate tectonics “explains” them.
Earthquakes –
Volcanoes –
Mountain Ranges –
Deep Ocean Trenches –
Mid-Ocean Ridges –
Island Chains –
6. Describe the “scientific method”. (How do the terms “hypothesis”, “theory” and “law” relate to each other?)


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