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flash cards

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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Question
Answer
what is the lithosphere?   all the land in the earths system  
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which sphere includes all the planets living things?   biosphere  
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define atmosphere   it contains all the air in the earth's system  
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what is the hydrosphere?   it contains all the solid, liquid and gaseous water of the planet.  
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what are "plates"?   they are pieces of the crust  
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what are the plate types?   continental and oceanic  
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which type of plate is thicker   continental  
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what is a pangea   it is the name of a supercontinent formed 100-200 million years ago  
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what is plate tectonics   it is a theory of the movement of continents  
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which type of plate boundary involves two plates moving towards one another?   convergent  
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what is a divergent boundary   it involves 2 plates moving apart  
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which boundary involves two plates sliding along side one another   transform boundary  
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what will form when two continental plates converge?   fold mountains  
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when 2 oceanic plates converge what forms?   magma will rise to form volcanoes  
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what does the build up of pressure due to transform boundary result in?   earthquakes  
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what is the point where an earthquake starts called?   focus  
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what is the strength of an earthquake known as?   magnitude  
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what scale indicates the earthqaukes strength?   Richter scale  
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what are the layers of the earth?   crust , mantle, and core  
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what causes the plates to move?   convection currents in the mantle  
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what can be found directly under the plates of the earth's crust   a soft mantle  
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Created by: nawal
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