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7 Cards in this Set
- Front
- Back
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What is subduction zones
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when old crust returns to mantle and plates converge
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tranform plate boundary
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to plates scrape eachother
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Explain convergent plate boundaries
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in the ocean creates deep trenches and volcanic islands and two tectonic plates come together
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What are the layers of the earth from the closest to the deepest
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crust, mantle, outer core, inner core
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explain what happened in the lab
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Heat rises and spreads faster and cold sinks and spreads slowly. Which means heat makes the density of a object less and cold makes the density of an object more
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Describe evidence for plate tectonics
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geological features of ocean floors, symetric strips of magnetic rock, volcano ridges on the ocean floor, ages of rocks
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Explain divergent plate boundaries
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new crust formed and plates moving away from eachother
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