what are the physical nature of particles of matter? show one of the property with the help of an activity.
Answers
❦ Answer:
Physical nature of matter: Based on the physical nature of matter there are three States of Matter: Solid: Molecules are tightly packed. They are often hard and rigid. Liquid: Molecules are loosely packed as compared to that of a solid.
a) Take a 100 ml beaker.
(b) Fill half the beaker with water and mark the level of water.
(c) Dissolve some salt / sugar with the help of a glass rod.
(d) Observe any change in water level.
Observation : Level of water remains same and salt / sugar, has now spread throughout water. When we
dissolve salt in water, the particles of salt get into the spaces between particles of water. This shows the particulate nature of matter.
Two characteristics of particles of matter are
(i) They have space between them.
(ii) They are continuously moving.
(iii) They attract each other. (Any two)
