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objective 9

vocab

TermDefinition
continental drift hypothesis that continents are in constant motion
mantle middle layer of Earth's crust
pangea supercontinent
mid ocean ridge mountain located in the middle of the ocean on the seafloor
seafloor spreading oceanic crust forms at a mid ocean ridge as old crust moves away
convection circulation of material cause by differences in temperature and density
convergent plate boundary 2 plates collide
divergent plate boundary 2 plates seperate
plate tectonics therapy that Earth's plates move with respect to each other
subduction a denser plate sinks below a more bouyant plate
transform plate boundary 2 plates slide by each other
lithosphere outermost layer
Created by: user-2006895
 

 



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