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Plate Tectonics

Plate Tectonics Vocabulary

Theory of the continental drift The theory of the continents being one super-continent slowly drifting away to their spots today
Pangaea A super-continent which means all land
Inner Core Solid core made mostly of iron and nickel
Outer Core Liquid core made mostly of iron and nickel
Mantle The upper layer of the earth's mantle, below the lithosphere
Crust The outermost solid shell of the earth which is about 5 to 40 miles thick
Lithosphere The rigid outer part of the earth, consisting of the crust and upper mantle
Aesthenosphere A zone of the earth's mantle that lies beneath the lithosphere and consists of several hundred kilometers of deformable rock
Continental Crust Crust that forms under land or continents
Oceanic Crust Crust that forms under oceans
Divergent Boundary Boundary that splits land
Convergent Boundary Boundary that collides with one another forming mountains and volcanoes
Transform Boundary Boundary that slides past each other
Created by: 1962116900