Mechanical Pencils v/s Wooden Pencils

Mechanical Pencils v/s Wooden Pencils

  • A few hundred thousand wooden pencils can be produced by a full-grown cedar, with extra wood left, and 10 billion were sold in 2004. However, by the 1970’s, only 60 million mechanical pencils were sold. Many more wooden pencils were sold in one year than mechanical pencils sold in multiple years. This information leads me to believe that mechanical pencils are more sustainable than wooden pencils.
  • If you think about it, wooden pencils are made (mostly) of wood and most mechanical pencils used in middle school are usually (mostly) made of plastic. Through my research, I found that wood impacts the environment more than plastic. Comparing with the creation and disposal of plastic bags and paper bags (paper is made of wood), paper bags use more resources and pollutes more than plastic bags. In other words, my research on this claims that mechanical pencils are more environmentally friendly than wooden pencils.
  • A wooden pencil is also called an HB pencil. An HB pencil is equivalent to 0.5 lead for a mechanical pencil. Students at Roosevelt Middle School usually use mechanical pencils that use 0.5, 0.7, or 0.9 lead. The smaller the lead number, the softer the lead. By this I mean softer lead runs out faster than harder lead. This leads me to believe that a wooden pencil uses lead faster than a mechanical pencil that uses 0.7, 0.9, or anything higher than 0.5 lead.

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