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PCMS 6 Earth's layer

Earth's layers

TermDefinition
inner core a solid sphere of metal, mainly nickel and iron, at Earth's center
outer core a layer of molten metal, mainly nickel and iron, that surrounds Earth's inner core
mantle the layer of earth between Earth's outer core and crust; Earth's thickest layer.
crust the thin, outer layer of cool rock above Earth's mantle. The thinnest layer.
lithosphere the layer of Earth made up of the crust and the rigid rock of the upper mantle
tectonic plate one of the large, moving pieces into which Earth's lithosphere is broken and which commonly carry both oceanic and continental crust.
asthenosphere the layer in Earth's upper mantle directly under the lithosphere
Created by: neilebennett
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