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Vocabulary Words for science...

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Question
Answer
Continental Drift   The hypothesis that the contents slowly move across Earth's surface.  
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Pangaea   The name of the single landmass that broke apart 225 million years ago rise and gave 2 days continents.  
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Seafloor spreading   the process by which multen naterial adds new oceanic crust to the ocean floor.  
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Plate   a section of the lithosphere that slowly moves over the asthenosphere, carring pieces of continental and oceanic crust.  
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Lithosphere   a rigid layer made up of the upper most part of the mantle and the crust. One into which scientist divide earth.  
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Divergent Boundary   a plate boundary where to plates move away from each other.  
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Convergent Boundary   a plate boundary where two plates move toward each other.  
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Subduction   the process by which oceanic crust sinks beneath the deep-oceanic trench back into the mantle at a convergent plate boundary.  
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Transform fault   where two plates move back and forth side to side.  
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convection current   the movement of a fluid, caused by differences in temperature, that transfers heat from one part of the fluid to another.  
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Mid-ocean ridge   the undersea mountain chain where new ocean floor is produced; a divergent plate boundary  
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