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Chemistry, 12.11.2020 18:50 christingle2004

A. Rub the magnet along the nail or knitting needle. Now try picking up the paper clip or tack. Could your nail pick it up? How many can it pick up at once? b. Now try to make your magnet stronger by rubbing the magnet along the nail or knitting needle for a longer time. Rub only in one direction, not back and forth. This will increase the number of atoms that line up with the magnet. Try to pick up paper clips or thumbtacks. How many can it pick up now?

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A. Rub the magnet along the nail or knitting needle. Now try picking up the paper clip or tack. Coul...
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