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cloud in a jar experiment

Water Science Activity Cloud in a Jar

We’re having fun with water science this month and today I’m sharing a cool cloud in a jar activity. We’ve been doing a lot of experiments with water and food coloring haven’t we?

Today we’re adding shaving cream to our supply list and we’ll see what it looks like to make clouds in a jar and let it rain! These supplies can be found at your local dollar store making this one of my favorite frugal science experiments for kids.

Whether you’re doing this as an extension to your Green Kid Crafts Water Science subscription box, or as a weather unit study addition, kids will be fascinated to see the food coloring and clouds in a jar created in this fun experiment.


  • Glass Jar ( I used an empty pickle jar )
  • Water
  • Foamy Shaving Cream
  • Gel Food Coloring

cloud in a jar

Directions for making a Cloud in a Jar:

  1. Fill the jar 3/4 full of water.
  2. Add shaving cream to the top of the water until it is billowing up through the top of the jar.
  3. Next, put 5 drops of blue gel food coloring on top of the shaving cream in random places.
  4. Then just watch what happens!

cloud in a jar

cloud in a jar

It’s Raining!

It’s amazing how the food coloring seeps through the shaving cream and down through the water. It takes about 3 minutes but it will eventually travel through the shaving cream cloud and into the water to look like rain.

Weather Science Discovery Box

The weather crafts inside this Weather Science Discovery Box are sure to turn any child into a mini meteorologist as they create their very own Weather Station, Cloud Finder, and Wind Sock. They’ll have a blast creating their own, unique weather instruments, then continue the fun as they track and measure the weather patterns using their handcrafted tools. Purchase a single box or start a subscription today!

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