Did you know that you’re free to make it rain in your own kitchen?
Heres what you need:
First, put the plate in the refrigerator overnight.
It needs to be nice and cold for this activity.
With an adults help, fill the kettle with water and turn it on.
Be careful, because steam is really hot!
Watch what happens as the steam from the kettle hits the plate.
Youll notice that its turning back into liquid water, and gathering on the plate.
Eventually, it will start dripping off.
When a liquid changes to a gas, thats calledevaporation.
When a gas changes to a liquid, thats calledcondensation.
Waterevaporatesfrom the land, from the sea, and from plants as they breathe.
It changes from liquid to gas (called water vapour), and rises up into the sky.
High in the sky, water vapour sticks to tiny particles of dust, andcondensesback into liquid droplets.
These droplets are so small that they dont fall, but stay suspended in the air.
A cloud is a whole bunch of these suspended water droplets.
The same thing happens during this experiment in your kitchen.
Boiling water in the kettle changes it from liquid to gas (like evaporation, but faster).
When the water vapour hits the cold plate, it condenses back into liquid.
When theres enough of it, it falls.
And some water is drunk by plants and animals.
Then it evaporates again and returns to the clouds.
The movement of water around the planet is called thewater cycle.
The ocean is full of tiny floating plants calledphytoplankton.
Some of these phytoplankton produce a gas that causes the water vapour around them to condense into clouds.
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