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Gases

The particles of gases can easily move in any direction. The particles in gases are
loosely packed. They neither have fixed shape nor fixed volume. They can flow and

can also be easily compressed. It occupies all the available space in a container.

Arrangement of
Air Inside a Balloon Steam particles in Gases

Now we will see the difference between the properties of solids, liquids and gases.

Solids Liquids Gases

They have fixed shape They have fixed volume but They have neither fixed
and volume. no fixed shape. shape nor fixed volume.

The particles have The particles have more Space is more than in
very less space. space to move around. liquids and solids.

They can flow from higher They can flow in
They cannot flow.
to lower level. any direction.

Let’s Recapitulate

Fill in the blanks.

1. _____________ can flow in any direction.

2. _____________ have space more than solids.
3. Gases have no fixed _____________.

4. The things which have mass and occupy space are called _____________.

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