Made of molten nickel and iron  Oceanic crust: - Have the oceans on top of them, they are very thin but contain very heavy, Continental crust Made of molten nickel and iron   - Are the plates with land on top of them, are very thick but light, Crust - Thin, solid layer all over the surface of the earth, Inner core - At the centre of the earth, Mantle: - Thick layer of molten and semi-molten rock beneath the earth's crust, Outer core - Made of molten nickel and iron, Plates - Large slabs of the earth's crust, Plate boundary - Where plates meet,

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