How to Blow up a Balloon with Vinegar and Baking Soda Experiment


The mixture of vinegar and baking soda can produce a memorable science experiment. The substances can be arranged to "magically" blow up a balloon through the generation of carbon dioxide. Allow children to do some of the steps on their own. Consider doing this experiment outside since it can create a mess.

Things You'll Need

  • Small, empty water bottle
  • New latex balloon
  • Measuring spoons
  • Small funnel
  • Pour 2 tbsp. of vinegar and 2 tbsp. of water into the bottle.

  • Put 2 tbsp. of baking soda into the balloon using the funnel.

  • Stretch and secure the opening of the balloon over the neck of the bottle while being very careful not to dump the baking soda into the bottle just yet.

  • Straighten the balloon to an upright position, allowing the baking soda to fall into the vinegar in the bottle. The chemical reaction should blow the balloon up.

Tips & Warnings

  • Dress in old clothes in the event of spills.

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  • Photo Credit Dynamic Graphics Group/Dynamic Graphics Group/Getty Images
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