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Earth's Layers #1

Land Beneath Our Feet Unit

TermDefinition
inner core a ball of hot, solid metals
outer core a layer of liquid metals that surrounds the inner core
mantle the Earth's thickest layer; made up of hot rock
crust a thin layer of cool rock that surrounds Earth
lithosphere Combination of the Earth's crust and the very top of the mantle - it is the most rigid of all the layers
asthenosphere a layer of hotter, softer rock in the upper mantle that flows
tectonic plates lithosphere that is broken
Created by: Ms. Long 6