Layers of the Earth.

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Presentation transcript:

Layers of the Earth

Crust Also called the lithosphere, about 6-40km thick depending on the area Crust is 3 times as thick under continents than the ocean Consists mostly of sand and rock

Mantle Parts of this layer become hot enough to become slow moving molten rock or magma Represents about 85% of the earth’s weight

Inner Core A mass of sold iron and with a temperature of 7000 degrees! Approx. 5000km below the earth, 2500km in diameter

Outer Core Outer core is made up of super-heated liquid molten lava Approx. 3000km thick Electrical currents found here produce earth’s magnetic field