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7 Cards in this Set
- Front
- Back
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name three ways earths plates can move
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pull apart, slide apart, & collide
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the belief that continents moved slowly apart to their current locations on earth is the
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Continental Drift
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____ _______ _____ is when Earths magnetic feild leaves north pole and enters the south pole
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magnetic field reversal
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How did scientist use the sound waves to figure out the shape of the ocean floor?
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the longer it takes a sound wave to return the deeper the water is...(:
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most scientists think the force behind the plate tectonic theory is
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convection currentssss
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scientist discovered that there were really no old rocks on the ocean floor. evidence proved that..
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new seafloor features are constantly being added due to seafloor spreadingg
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the plates make up the crust & the upper mantle is......
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LITHOSPHERE
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