Characteristics of Particles of Matter

Author:NCERT
9th CBSE
IMPORTANT

Characteristics of Particles of Matter: Overview

This topic presents the characteristics of the particles of matter. It mentions that the particles of matter are very small in size and have space between them. The particles are constantly in motion and attract each other.

Important Questions on Characteristics of Particles of Matter

MEDIUM
IMPORTANT

Give reason for the following observation:

We can get the smell of perfume sitting several metres away.

HARD
IMPORTANT

Comment upon the following: rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.

MEDIUM
IMPORTANT

Arrange the following substances in increasing order of forces of attraction between particles- water, sugar, oxygen.

MEDIUM
IMPORTANT

Tabulate the differences in the characteristics of states of matter.

MEDIUM
IMPORTANT

What are the characteristics of the particles of matter?

HARD
IMPORTANT

A diver is able to cut through water in a swimming pool. Which property of matter does this observation show?