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Layers and Plates

Earth Layers and Plate Tectonics

TermDefinition
Crust The layer that varies the most in thickness
Asthenopshere The soft layer of the Earth's upper mantle/crust
Mantle The thickest layer of the Earth
Outer Core The liquid layer of the core
Inner Core The solid dense layer of our planet.
Transform Boundary Plates slide past each other
Convergent Boundary Plates that move together
Divergent Boundary Plates that pull apart
Plate Rigid part of the Earth's crust
Pangea Means "All Earth" A super continent that existed 250 million years ago
Earthquake A shaking or trembling of the Earth
Plate Tectonics Theory that the Earth's crust is broken into parts.
Continental Drift Continents plowing through the seafloor to their present day position
Fault A break in the Earth's crust
Mid -ocean Ridge A long mountain chain in the Atlantic Ocean floor where tectonic plates pull apart.
Created by: emezeivtch
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