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Aluminum

Reference

  • www.ehow.com
  • www.wikipedia.com
  • www.enotes.com
  • www.ideafinder.com
  • Melting point:660.37degrees Celsius
  • Boiling point:2467degrees Celsius
  • solid at room tempature
  • density:2.7(g/cm3)
  • chemial formula:AL(SO4)3.18H2O

Materials

  • plastic
  • metals usually aluminum
  • these materials are easy to use because they are easily molded

History

The Anatomy of a Ballpoint Pen

  • was first made in 1854
  • wasn't patented until 1888 by John Loud

Fun Facts

  • Ballpoint pens have the same design most of the time
  • Some have different color inks
  • All ballpoint pens have a miniscule ballat the tip of the pen
  • The founder of the ballpoint pen is a commonly argued and is thought that the Germans created it
  • Bic sells the most ballpoint pens worldwide
  • Ballpoint pens were perfected and patented by by John Loud
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