Self Inflating Balloon

Materials:

  • Vinegar
  • Small bottle
  • Baking soda
  • balloon

Procedure:

Put two fingers of vinegar in the bottle. Place a teaspoon baking soda in the balloon. Fasten the balloon to the mouth of the bottle and turn the balloon over. Watch the balloon inflate!!

Explanation:

When baking soda (carbonate) comes into contact with vinegar (acid) they react and produce carbon dioxide gas that inflates the balloon.