Important iron
The centre of the Earth is partly made of iron! Around the world, there is plenty of iron found in rocks. Some of the rocks look rusty and red. When the iron is taken out, it is dark grey. Iron is a useful and important metal.
Iron is strong and easy to shape.
In its ore, iron is mixed with many other materials. To extract the iron, the rocks are heated in extremely hot ovens, called blast furnaces. When other materials, such as coke and limestone, are added, runny iron is taken out. The purest iron is then used to make steel.
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