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Self-Inflating Balloon Experiment

Watch a balloon self-inflate when baking soda is added to white vinegar!
Prep Time5 minutes
Active Time5 minutes
Total Time10 minutes
Yield: 1
Cost: $1

Equipment

  • Balloon
  • Funnel
  • Small measuring cup
  • 8 - 12 oz. Bottle

Materials

  • ΒΌ Cup White Vinegar
  • 1 Tbsp Baking Soda

Instructions

  • Pour white vinegar into a bottle.
  • Use a funnel to pour baking soda into a balloon.
  • Attach the balloon to the mouth of the bottle. Be careful not to get any baking soda into the bottle until you are ready to proceed with the experiment.
  • Hold the balloon up and let the baking soda pour down into the bottle. Watch the balloon expand, as gasses fill the balloon!