Magnetism

• What are the three (or four) magnetic metals?

  Iron, cobalt, nickel (and steel that contains iron)
• How do you find the magnetic field pattern of a permanent bar magnet?

  * place a bar magnet flat on the table

  * get a compass and roll it along the outside of the magnet

  * put dots on places where the compass needle points

  * the needle will show the magnetic field
• The tendency for an object to remain stationary is called…

  inertia