Learning about a Gas
All things are made of matter.
Matter is anything that takes up space.
There are three kinds of matter.
A gas is a kind of matter.
Air is a gas.
It is hard to see some gases.
Steam is a gas.
We can feel some gases.
Our breath is a gas.
A gas does not have its own shape.
Gas can be put in a container.
The gas moves and fills the whole container.
It takes the shape of the container.
Gas in balloons can be many different shapes.
Cooling a gas can change it.
Cooling a gas can change a gas to a liquid.
Steam changes to water when it is cooled.
A cloud is made by cooling a gas.
Look around. Where can you find gases?
Plants make their own food from sunlight, water and a gas called carbon dioxide.
When plants make their food, they also make a gas called oxygen,
which goes out into the air.
People and animals need oxygen to live.
When people breathe in, they get oxygen from the air.
When they breathe out, they put carbon dioxide into the air.
Shanti Gowans is the globally recognised author and founder of Shanti Yoga™, Meditation and Ayurveda for the self, family and community.
Shantiji has brought the concepts and practices of a healthy body and a still mind to thousands of Australians through her Yoga and Meditation programs on national television... Read more about Shantiji's biography
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