Join with arrows Online version The Earth’s layers by AJuan71 redescol 1 Crust 2 Mantle 3 Outter Core 4 Inner core It is the outermost layer of the Earth. This is where we live! It is between the first layer and the last layer Rocks are solid and semi-molten This area extends from the 2900 km to the centre of the Earth It is liquid It is situated at Earth's center It is composed of nickel and iron