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plate tectonics

semester exam

TermDefinition
pangaea All the continue were once part of a supercontinent
contental drift suggested that continents are in constant motion on the surface air
mid-ocean The mountain ranges in the middle of the oceans
seafloor spreading the process by which new oceanic crust form along a mid-ocean ridge and older oceanic crust moves away from the ridge
plate tectonics Earths surface is made of ridge slabs of rocks, or plates, that move with respect to each other
lithosphere the cold and rigid outmost layer
Divergent plate boundary forms where two plates seperate
transform plate boundary forms where two plates slide past each other
convergent plate boundary form where two plate collide
subduction the denser plate sinks below the move bouyant plate in a procss
convention the circulation of material caused by differences in temperature and destiny
Created by: user-2007386
 

 



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