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3.1 Vocabulary

Layers of the Earth

TermDefinition
asthenosphere the soft layer of the mantle on which the lithosphere floats
basalt a dark, dense, fine-textured rock found in the oceanic crust
crust the layer of rock that forms Earth's outer surface
granite a usually light-colored igneous rock that is found in the continental crust
inner core a dense sphere of solid iron and nickel at the center of the Earth
lithosphere a rigid layer made up of the crust and uppermost part of the mantle
mantle the layer of hot, solid material between Earth's crust and core
outer core a layer of molten iron and nickel that surrounds the inner core of Earth
pressure the force exerted on a surface divided by the total area over which the force is exerted; force/total area
seismic waves vibrations that travel through Earth carrying the energy released during an earthquake
Created by: anorris