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Plate tech

6th grade

QuestionAnswer
seafloor spreading the theory claiming that the mid-oceanic ridge is a huge crack in the earths crust where hot magma pushes through and speards the ocean floor a part.
Pangaea the giant super-continent where all the world's land masses were once joined
subduction the process of one plate moving under another plate
mid-oceanic ridge a mountain like land form that develops when plates separate and new oceanic lithosphere forms.
deep ocean trench a deep, narrow depression in the seafloor
divergent boundary any boundary where plates move away from each other, and where new crust is being created
convergent boundary boundary where two plates collide
transform boundary boundary where two plates slide in opposite direction beside each other
Created by: gymprincessbeary
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