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Earth's Interior

Plate Tectonics Part 4

TermDefinition
Lithosphere Earth's crust and outer most layer
MOHO Thin interface separating the lithosphere from the asthenosphere
Asthenosphere A partially melted layer that allows for parts of the lithosphere to move (Discovery: a decrease in velocity from earthquake waves)
Mantle Thickest part of Earth (80%) and is between the crust and the outer core
Outer Core Liquid layer of Earth's interior between the mantles and the inner core (Discovery: absorption and refraction of earthquake waves)
Inner Core The solid inner most zone of Earth's core composed of iron (Fe) and nickel (Ni) (Discovery: an increase in velocity from earthquake waves)
Continental Crust Thickest (100km) and least dense (2.7g/cm^3) part of the lithosphere
Oceanic Crust Thinnest (2-3km) and most dense part of the lithosphere (3.0g/cm^3)
Created by: cmbinder197
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