Study

How It´s Made: Pencils

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  • What 3 paints were used to colour the pencils?
    Yellow Blackand Transparent
  • Why are the grooves made in the wood filled with glue in the factory?
    So they are less likely to break
  • What 2 checks are made on the pencil in the fatory?
    Lead quality and strenght test
  • What are the grooves made in the wood filled with in the factory?
    Glue
  • What Year was the new type pencil lead invented?
    1795
  • What is used to make colored pencils?
    Wax, clay and pigments
  • What nationality was the chemist who invented the new type of lead?
    French
  • At what temperature is the lead?
    800 º C
  • What characteristics does the wood used to make pencils need to have?
    soft enough to sharpen yet strong enough not to bend
  • What 2 elements are mixed to make up LEAD in pencils?
    graphite and clay
  • Where was GRAPHITE discovered?
    England
  • What is attached to the pencil at the end the process?
    An eraser