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Planning Background Background information that I found out was that of the Domain Theory. The magnetic domain theory states that groups of atoms in a material produce a magnetic field when they align in the same direction. That is what I found out about the domain theory. Plan Introduction Using my theory I know that when domains are in the same direction they create a magnet, therefore I am going to create an electromagnet by putting electricity through a horseshoe core and a coil of wire to make a magnet, thus by making all the domains face the same way. I will then measure the strength of the electromagnet by hanging weights off of it and seeing how much it can hold. I will also change the amount of current going through it to see if there is a difference. In my experiment there are some variables, such as, the amount of...

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