C2

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  • Created by: Conor
  • Created on: 20-04-13 14:22
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  • C2
    • water is a chemical.             - it's made up of lots of water molecules.
      • a molecule is a group  of atoms bonded together.
        • Water molecules contain 2 chemical elements
      • Water molecules contain 2 chemical elements
    • iron is a chemical element - made up of iron atoms
  • Hydrogen and oxygen
    • the advantage of using synthetic rubber is that you can control it's properties making it suitable for different purposes
  • Some of these  materials occur naturally
  • Wood and paper are made from trees
    • Some of these  materials occur naturally
  • cotton comes from a cotton plant
    • Wood and paper are made from trees
      • Wool comes from sheep
        • Silk comes from the silm worm larva

    Comments

    ronny

    this is soooooo confusing

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