2MAKING THINGS MOVE WITH ELECTRICITY AND MAGNETS
Big magnets attract small metal objects; small magnets stick to large metal objects. For example, refrigerator doors are usually big pieces of metal, so it’s easy cover them with tiny, decorative magnets. You’ve probably seen magnets in cartoons, too: characters like to use giant horseshoe-shaped magnets to cause mischief. You can find magnets in nature or create them with electricity. A magnet created with electricity is called an electromagnet.
You can use an electromagnet to make things move, and you don’t even have to be a superhero to do it! In fact, many things you see every day—like motors, ...
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