A magnet is a metal that can attract (pull) or repel (push) other types of metals. Every magnet is a metal, but not all metals are magnets. The force of magnets is called magnetism. Magnetism can work ...
Magnets like this one are great at picking up metal objects like these, but once you pick them up how do you let them go? For that you need a special type of magnet – an electromagnet. Magnetism and ...
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