Description: Iron filings sprinkled on a plastic sheet align with the magnetic field of a magnet placed below the sheet. The pattern of magnetic field lines can be seen.
Instructions: Sprinkle iron filings on plexiglass sheet with bar magnet underneath.
Items Used: Plexiglass sheet with bar magnet, iron filings, overhead projector
Notes: You don't need a lot of filings to show the field lines Math Description: None.
