December 18, 2011

6.2 Magnets

Recall that magnets repel and attract other magnets, and attract magnetic substances

Magnets and Magnets:
Magnets can either attract or repel other magnets: you should already know that opposite poles attract i.e. South and North attract, but South and South repel

Magnetic substances:
There 5 magnetic materials: 3 elements and 2 compounds
  • Iron (Fe : Element)
  • Cobalt (Co : Element)
  • Nickel (Ni : Element)
  • Steel (an alloy or iron)
  • Magnetite/Lodestone (Fe3O4 : an oxide of iron)

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