If these metals have not been turned into a permanent magnet they will still be attracted to a magnet if placed within a magnetic field ... Magnetic fields lines are invisible but they fill ...

Converting a magnet to ... where the magnetic forces work on magnetic materials, and where they can attract or repel other magnets. Although we cannot see magnetic field lines, we can detect ...

The magnetic north pole, meanwhile, is the point in the Northern Hemisphere where Earth's magnetic field lines point directly ... than that of a regular bar magnet, the magnetic south pole ...