Friday, November 11, 2016

Electromagnetic Experiments

Introductory Activity

Visualize an invisible force. Put out magnets and a) containers of syrup with iron filings and b) bags of iron filings to experiment with. Explain about North and South poles of magnets and magnetic field.


  • magnets
  • iron filing in ziplock back with white paper
  • clear container
  • syrup
  • paper
  • pencils

Draw a picture of the iron filings

Main Activity

Make a Monopolar Magnetic Motor


Extension Activity

  • Make electromagnetic train - didn't work with magnets available
  • Find North with compass and talk about magnetic field of earth
  • push/pull magnetic car
  • make a compass by magnetizing needle and floating
  • make an electromagnet with battery and long screwdriver (test with paperclips)
  • magnet through copper tube