Unable to locate a strong enough magnet in order to accomplish this assignment (all I have are some cheap magnets I bought from a garage sale when I was 7)
To do this activity, you will need a large steel nail or knitting needle, a magnet, and several paper clips or thumbtacks that are not plastic coated. For each part, describe what happens and answer the questions.
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?
Wed Nov 25 2020 16:24:16 GMT-0500 (EST)