Check sibling questions
Class 6
Chapter 4 Class 6 - Sorting Materials into Groups


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


  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.

Maths Crash Course - Live lectures + all videos + Real time Doubt solving!

Ask a doubt (live)
Maninder Singh's photo - Co-founder, Teachoo

Made by

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