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.Items:
- 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 MotorItems:
- Copper Wire
- AA Batteries
- Rare Earth Magnets
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