Particles of matter are at constant motion. 

In case of solids, the particles vibrate at their own position. 

In liquids and gases , the particles move from one place to another.

 

This can be seen in the following examples ;

  1. When food is being cooked in the kitchen, we can smell the food even from a distance This is because the food gases move from the kitchen to the rest of the home.
  2. On adding a few drops of ink (or Potassium Permanganate crystals) into water, it gets distributed slowly throughout the volume of the liquid as the particles move throughout the container the liquid is stored in.

Particles of hot food have more -Teachoo-01.jpg

 

Crystal of potassium permanganate in water-Teachoo-01.jpg

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo