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plate tectonics

semester exam

TermDefinition
Pangaea All the continents were once part of a supercontinent
Continental drift Suggested that continents are in constant motion on the surface of Earth
Mid-ocean Ridge the mountain rages in the middle of the oceans
Seafloor spreading The process by which new oceanic crust forms along a mid-ocean ridge
Plate Tectonics Earth`s surface is made of ridge slabs of rocks or plates that move with respect to each other
Lithospere The cold and rigid outermost layer
Divergent plat boundary Forms where two plates separate
Transform plate boundary Forms where two plates slide past each other
Convergent plate boundary Forms where two plates collide
Subduction The denser plates sink below the more buoyant plate in a process
Convection The circulation of material caused by differences in temperature and density
Created by: user-2007383
 



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