Making Rain In Jar

We have been making rain in a jar.
Fill a jar three quarters full of cold water.
Squirt shaving foam on the top of the water.
Squirt droplets of food colouring onto the shaving foam.
The shaving foam represents the clouds and the food colouring the rain.

You can discuss the water cycle. The water on the ground evaporates to form water vapour, it condenses to create clouds the precipitation (rain, hail, snow) occurs when the vapour cools to form water droplets. The whole process repeats.

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