Science Experiments
April 15, 2025
Fun Bubbles Experiments for Toddler and Preschool

Fun Bubbles Experiments for Toddler and Preschool

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Try this fun bubble experiments to let your kids have fun with science – bubbling beakers and all! This safe science activity uses supplies you probably already have in your house to teach your kids about chemistry. This simple chemistry experiment is a bubble experiments for toddlers that uses a baking soda and vinegar reaction. You will love this easy bubble science experiments preschool!

Let your kids be mad scientists complete with bubbling beakers with these fun bubbles experiments. This safe science activity uses supplies you probably already have in your house to teach your kids about chemistry. These chemistry experiments for kids are fun with toddler, preschool, pre-k, kindergarten, first grade, 2nd grade, and 3rd graders too. This is not a baking soda and vinegar reaction, instead this chemistry for kids teaches how soda makers add fizz to their beverages!
 

Bubbles experiments

Soft drink manufacturers add the fizz to their drinks by adding carbon dioxide (CO2) to the mix. CO2 is dissolved into the drink. When you open a can of a carbonated beverage, the pressure is released and the CO2 comes out of solution. The CO2, then, forms bubbles that rise to the top of the drink and attach to the sides of the container the beverage is in. If you look closely at a glass filled with a carbonated beverage, you can see that the bubbles initially form on the surface of the glass. Some remain there and others rise to the top and release the CO2 gas into the air. When the CO2 comes out of solution it always happens at a physical reaction point, such as the side of the glass.

Plus don’t miss 25+ bubble crafts and activities, epic homemade bubble solution, and our other fun preschool science experiments

bubbles experiment

Bubble science experiments preschool

All you need are a few common materials you probabaly already have on hand!

Supplies

  • small jar or beaker
  • clear carbonated beverage/soda
  • food coloring
  • table salt

Procedure

  • Fill the jar 3/4 full of soda
  • Add a drop of food coloring just for fun
  • Add 1 tablespoon of salt
bubbles-science-project-for-kids

Bubble experiments for toddlers

As we discussed before, CO2 is added to carbonated beverages to give them their fizzy bubbles. These bubbles form on reaction points, such as the sides of a drinking glass, when the pressure of the original container is released.

When the salt was added to the soda, more reaction points were added to the mix. CO2 came out of the solution on the sides of the salt crystals and formed bubbles. The mass of bubbles caused a foaming action.

Take this bubbles experiment further by adding different amounts of salt or adding a type of salt with larger crystals. Note the changes in the amount of bubbles that form.

baking-soda-science-experiments

Bubble experiments for kids

The food coloring did not affect the reaction in these soda experiments. The addition of color can sometimes help to see the reaction easier. Also, you can use this bubbles experiment to learn about color mixing. Create two reactions side-by-side using two different colors, such as blue and yellow. As the foaming bubbles mix, note the colors that form.

Bubble Activities

Looking for more fun, creative ways to paint with bubbles? Check out these FUN ideas!

 

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Popular Science Activities

Looking for lots more fun, science experiments for kids? You’ve GOT to try some of these outrageously fun science experiments for kids! Plus don’t miss all our science for kids, types of free science lessons, or seasonal science experiments.

Beth Gorden

Beth Gorden is the creative multi-tasking creator of 123 Homeschool 4 Me. As a busy homeschooling mother of six, she strives to create hands-on learning activities and worksheets that kids will love to make learning FUN! With over 20 years educating children, she has created over 1 million pages of printables to help teach kids alphabet, math, science, English grammar, history, and so much more! Beth is also the creator of 2 additional sites with even more educational activities and FREE printables – www.kindergartenworksheetsandgames.com and www.preschoolplayandlearn.com. Beth studied at the University of Northwestern where she got a double major to make her effective at teaching children while making education FUN!

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