Layers of the Earth

Term Definition
crust solid and brittle, composed of granite and basalt, oceanic and continental, oceanic is more dense
mantle largest layer, rocky and metallic, composed of iron magnesium and calcium
outer core hot, metals are liquid, thickness is 2250 km, 5000-6000 degrees Celsius, composed of nickel and iron
inner core metals are squeezed together so they can't move like a liquid and they are forced to vibrate like a solid

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