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Plate Tectonics

TermDefinition
tectonic plates large sections of Earth’s crust that move slowly over Earth’s surface
Pangea the name for when all of Earth’s continents were connected as one large landmass
Convergent Boundary when two plates move toward each other, often forming mountains
Divergent Boundary when two plates move apart, forming mid-ocean ridges and rift valleys
Transform Boundary when two plates slide past each other, causing earthquakes
subduction zone one tectonic plate sinks beneath another plate
seafloor spreading when new ocean crust forms at a mid-ocean ridge and moves away in opposite directions
convection current warmer rock rises and cooler rock sinks inside Earth, moving tectonic plates
Created by: bcroy
 

 



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