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Learn how rain is made using a kettle and saucer

Suitable For

Grade 1



Time Required

 <1 Hour



What’s it about?

One of the most well known facts of nature is that hot air rises. Together with the hot air, water vapour also rises. High up in the air, where it is very cold, this water vapor condensates or ‘form small droplets of water’ which we perceive as clouds and before we know it, it rains! Make it rain with the following science experiment:

Topics covered


What will I need?


Procedure (Method)

Unfortunately, this section is only available in the e-book version of the project.

How does it work?

Unfortunately, this section is only available in the e-book version of the project.

When air is hot, its atoms are farther apart than when it is cold, so it takes up more room. That makes hot air lighter than cold air, because the cold air has more atoms in the same amount of room or ‘volume’. As the water is heated by the kettle, hot water vapor or ‘steam’ is formed and starts to rise above the cold air surrounding it. When this hot vapor comes in contact with a cold element it condensates to form a liquid again.

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