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Vocab.

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
continental drift   show
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show a greek word that means all the earth, and suggest that Pangaea began to break apart about 200 mya  
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show small changes in magnetic fields  
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show happens when the flow in the outer core changes, and Earth's magnetic field changes direction  
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paleomagnetism   show
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show is an imaginary line on a map that shows points that have same age- that is, they formed at the same time.  
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show is the theory that explains how new ocean crust is formed at ocean ridges and destroyed at deep-sea trenches..  
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tectonic plate   show
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show regions where two tectonic plates are moving apart  
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show when continental crusts begins to separate, the stretched crust forms, a long, narrow depression  
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convergent boundary   show
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show when two plates collide, the denser plate eventually descends below the other, less-dense plate in a process  
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show a region where two plates slide horizontally past each other  
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ridge push   show
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show tectonic process associated with convection currents in Earth's mantle that occurs as the weight of the subducting plate pulls the trailing lithosphere into subduction zone.  
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Created by: selenamercado
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