introduction

• what are magnets

  materials or objects that produce a magnetic field
• what are examples of magnets

  bar magnets
• what is a magnetic field

  the region around a magnet where the force acts on another magnet or material
• what are the main magnetic materials

  steel, nickel, iron and colbalt
• what two poles do magnets have

  north and south
• what are the two poles surrounded by

  magnetic field
• what relation do compasses have the magnets

  compasses can be used the figure out north and south
• what object is the needle of a compass

  a bar magnet
• how can a compass figure out the north and south of a magnet

  if the needle points toward one end, it's south

  if the needle points away from one end, its north
• what do magnetic field lines show


  magnetic field