Question

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?

Answer 1

A. After rubbing the magnet with the nail, it could pick up 7 small paper clips.

B. After rubbing it a second time but for a longer period, it could pick up around 10 small paper clips, almost lifting the 11th one.

Answer 2

ight i'll answer both rq

Step-by-step explanation:

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?

after rubbing the magnet with the nail, it could pick up 7 small paper clips.

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?

after rubbing it a second time but for a longer period, it could pick up around 10, almost lifting the 11th.