Recently in a lesson with Jim, CS used iron filings to investigate the shape of the magnetic field around a bar magnet. He also looked at how the shape of the field changes when it is attracting or repelling another magnet.
Recently in a lesson with Jim, CS used iron filings to investigate the shape of the magnetic field around a bar magnet. He also looked at how the shape of the field changes when it is attracting or repelling another magnet.