Iron or has to go through quite a process. First, rocks must be crushed and filtered to find largest deposits. Then it is heated to extreme temperatures to seperate from other inpurities. Eventually, when completely extracted, in is poured in sand mole to cool. There are many documentary films in the process of iron, try check out educational tv, such as the learning channel on google and key in the information there. There may be some video that you can watch to see how it is done. There is also a canadian show called, how it's made. I'm sure there would be something useful for you there, especially if you are doing a project on this