structure of the earth

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  • structure of the earth
    • Mantle is the thickest layer with a diameter of about 2900km. It's semi-molten rock but the top is hard rock. Convection currents are found here.
    • Crust is a solid layer with a thickness between 10-60km, thickness of an apple skin.
    • Inner Core is a liquid layer and made of iron and nickle. Extremely hot temperature round about 5,500°C.

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