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Objective 9

vocab

TermDefinition
continental drift continents are in constant motion
mantle Middle layer of earth
pangaea supercontinent
mid ocean ridge mountain range in the ocean floor
seafloor spreading new oceantic crust forms
convection circulation of material caused by temperature and density
convergent plate boundary where two plates collide
divergent plate boundery where two plates seperate
lithospere outermost rock layer of earth
plate tectonics Earth's surface is made of rock plates
subduction sinking of denser plate
transform plate boundery two plates slide by each other
Created by: user-2006882
 

 



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