Page 86 - ICSE Science 3 : E-book

ACTIVITY TIME
Liquids Flow and Take Diff erent Shapes

Aim:
To see how liquids fl ow and take diff erent shapes

You Need:
Water and containers of diff erent shapes
What to Do:

Get containers of diff erent shapes and pour water
into them.
Observation:

You will observe that water fl ows easily and does not have a fi xed shape. It takes the shape
of the container in which it is poured.

Properties of gases
• Gases do not have a fi xed shape or size.

• Gases spread and fi ll all the space available to

them in a closed container.
• Most gases are colourless and cannot be seen.

They are present all around us in the air.
Did You Know!
• The oxygen we breathe in and the carbon dioxide
Air is a mixture of gases
we breathe out are some examples of gases. that surrounds the

earth.
ACTIVITY TIME

Gases Spread and Fill the Available Spacep
Aim:
To see how gases spread and fi ll the available spacece

You Need:
Flat balloons and balloon pump
What to Do:
Blow air into the fl at balloons and see what
happens to them.

Observation:
You will observe that the air you have fi lled spreads and fi lls all the space inside the balloon,
making it bigger in size.

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