Question

why iron is attracted by magnet

Answer 1

Magnets attract iron due to the influence of their magnetic field upon the iron. ... When exposed to themagnetic field, the atoms begin to align their electrons with the flow of the magnetic field, which makes theiron magnetized as well. This, in turn, creates an attraction between the two magnetized objects.

Answer 2

because magnet has the property to attract iron and the things made up of iron.