JOURNEY TO THE CENTER OF

EARTH

LAYERS OF THE EARTH

CrustMantleOuter CoreInner Core

THE CRUST

Layer that we live on (Lithosphere)

5-25 miles thickConsists of cooled rockThinnest layer of the earthThere are 2 kinds of Crust:

Continental (thicker) and Oceanic (thinner)

CRUST

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THE MANTLESemi-liquid (magma)

3000 km wide softer closer

to the surface (Asthenosphere)

Has convection currents that move the continental plates

THE MANTLE

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THE OUTER CORE

Liquid, molten rockVery high temperaturesMade of Nickel and Iron

THE INNER CORE

Solid layerSolid because of high pressure

Mostly Iron6,000 degree Celsius.2,100 km wide

THE CORE

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