Cards (4)

  • how do north and south poles interact
    same poles repel
    opposite poles attract
  • features of permanent magnets
    always magnetic, always have poles
  • what are induced magnets
    materials that are magnetic but do not have fixed poles
    can be made into temporary magnets by 'stroking' them with a permanent magnet
    • these create a temporary magnet
    • iron, nickel, colbalt
  • features of magnetic fields
    field lines point from North to South
    strength decreases with distance from magent
    direction points towards south pole and away from north pole