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Recipe

Balloon Self-Inflating Rainbow Experiment

A colorful science experiment that demonstrates a chemical reaction using baking soda, vinegar, and food coloring, resulting in an inflated balloon.
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Prep 10 minutes
Total 10 minutes
serves < Tap or hover to scale

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Materials

Materials

  • 1 piece Clear bottle To hold the vinegar and the reaction
  • 1 piece Balloon To inflate during the experiment
  • 1 tablespoon Baking soda Essential for the chemical reaction
  • 1/2 cup Vinegar React with baking soda for inflation
  • a few Food coloring To color the vinegar
  • 1 piece Funnel To assist in filling the balloon

Instructions

Setup

  • Gather all the materials and set up a clean work area. A tidy space maximizes safety and creativity.

Preparing the Vinegar

  • Tint the vinegar with food coloring and pour it into the bottle.

Filling the Balloon

  • Use the funnel to fill the balloon with baking soda.

Inflating the Balloon

  • Carefully attach the balloon to the bottle, then lift it to let the baking soda fall in.

Last Step: Don’t forget to leave a rating and comment below! It helps other readers find the best recipes — and it helps us too!

Tips & Notes:

This experiment is safe for children with adult supervision. Ensure adults handle the pouring of vinegar and baking soda. Conduct in a well-ventilated area and monitor the experiment to prevent the balloon from popping due to gas buildup. For variations, try different food coloring or balloon sizes.

Nutrition Information: Serving: | Calories: | Carbohydrates: | Protein: | Fat: | Sodium: | Fiber: | Sugar:

Author: Course: Cuisine: Keyword: Baking Soda Vinegar, Balloon Experiment, Chemical Reaction, Science for Kids

Nutritional information is provided as a courtesy and calculated automatically. Values can vary depending on the brands and ingredients you use, so if you’re tracking closely, I recommend calculating with your own preferred tool.

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