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Plates Test

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Term
Definition
Lithosphere   Crust and Upper Mantle  
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Divergent boundary   Move away from each other  
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Alfred Wegner   Meteorologist who proposed Continental Drift Theory  
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Cinder cone volcano   Steep volcano, explosive, small  
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Shield volcano   Gently sloping sides  
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Transform boundary   Horizontal motion-Most in oceans  
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Harry Hess   Proposed sea floor spreading theory  
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Convection currents   A current of heated magma that makes plates float  
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Volcanic island arc   Series of Volcanos  
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Sea floor spreading   Ocean crust that causes rising magma  
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Plutons   Intrusive igneous rocks associated with volcanoes  
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Tephra   Any solid material out of a volcano  
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Ductile deformation   Permanently deformed  
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P waves   Push and pull  
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S waves   Side to side  
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Reverse fault   Pushed upward by compression  
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Seismograph   Instrument that measures and records details of earthquakes  
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Seismogram   A record produced by a seismograph  
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Strike slip   Shear fault in horizontal direction  
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Normal Fault   Tension fault  
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Focus   Where rocks break place  
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Epicenter   Point on surface directly above focus  
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Richter Scale   A numerical scale for expressing the magnitude of an earthquake  
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Moment Magnitude   Measures the size of earthquakes in terms of energy released  
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Mountain   A large natural elevation of the earth's surface rising (a large hill)  
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Pillow Basalt   Pillow like formation of lava rocks  
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Orogeny   Earth crust us folded and deformed by compression to form a mountain range  
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Created by: KJohnson23
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