-a wide assortment of magnets are available, including: bars, rings, squares, and horseshoes.
-compasses are also available.
-Show that the magnet attract iron filings and nails.
-Break the magnet and show that the broken piece does the same.
-Also, show the magnetic field of the unbroken magnet versus the broken magnet using the overhead projector and iron filings projectual.
-Show iron bar doesn't affect compass needle.
-Hold iron bar in earth's field and pound on one end with hammer.
-Show that the iron bar has aligned itself with the earth's magnetic field, by bringing near a compass.
-One magnet is centered on a pivot.
-Hold one end of the second magnet near one end of the magnet on the pivot.
-Repeat with the opposite end.