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Class 6
Chapter 4 Class 6 - Sorting Materials into Groups

 

  • Appearance means the look of a material.
  • Materials look different from one another .

Example

  1. Wood looks different from Steel 
  2. Steel look different from Aluminum
  • Materials may also appear shiny or dull.
  • Shiny materials are those which have luster whereas the materials lacking luster are called dull.

 

  • Some materials appear dull when they are exposed to air or moisture.

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Economics, Accounting and English at Teachoo