Question

1. which item could be a temporary magnet?

compass
iron nail
aluminum foil
refrigerator magnet

Explanation:

A temporary magnet is a magnet that is only magnetized when in the presence of a magnetic field. An iron nail can be magnetized temporarily when placed near a permanent magnet. A compass has a permanent magnet (the needle). Aluminum foil is not magnetic. A refrigerator magnet is a permanent magnet.

Answer:

iron nail