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Science 4 - Review

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  • Give 2 examples of non-magnetic materials.
    __________,__________
  • What happens when you put a south pole magnet by a north pole magnet?
    They will attract to each other- pull together
  • A bar magnet is an (permanent, temporary) magnet.
    permanent
  • Give 2 examples of magnetic materials.
    __________,_________
  • Magnets produce magnetic forces, these are _____ and _____ forces.
    Magnets produce push and pull forces.
  • True or False: Magnets can attract through all materials.
    False
  • What does repel mean
    when magnets push away from one another
  • A nail can be turned into a magnet when it's wrapped in copper wire and attached to a
    battery
  • North and north poles of the magnet _____________
    repel
  • True or False: Magnets are strongest at their poles.
    True
  • magnets have how many poles?
    two
  • Is steel a magnetic or non-magnetic material?
    Steel is a magnetic material, because it is made from iron.
  • True or False? The Earth has a magnetic field.
    True! Because the Earth is a giant magnet, it has a magnetic field.
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