Objective: Steel nails normally don't stick to one another. But when you touch the pole of a permanent magnet to one of the nails, the nail becomes a magnet. When this nail touches another nail, that nail becomes magnetic, and so on. ... The nail will stick to the bar magnet because it will become magnetized.

Is magnetizing a nail a physical change?

The magnetization of iron nail is a physical change. Explanation: Physical change: ... The change in which only the physical state of a substance is changed and no new substance is formed is called physical change.

Is a nail a ferromagnet?

Bringing a ferromagnetic object, like a nail, into the magnetic field of a strong magnet can cause the molecules of the iron material to line up and the nail to become a temporary magnet. As long as it is in the magnetic field of the bar magnet, the nail acts like a magnet and picks up other ferromagnetic materials.