Magnetic Field - Eme Set - Bar Magnet
To visualize the magnetic field of a bar magnet.
EME magnetic filed visualization apparatus with bar magnet on overhead projector.
This is a commercial version of the magnetic field visualization using iron filings. Place the magnet beneath the plastic box on an overhead projector, sprinkle on filings and tap to get the filings to line up along the magnetic field lines.
E.M.E. Electromagnetism Series, Teacher's Guide, Unit 1: Magnetic Field.