GRAND RAPIDS, Mich — The old volcano experiment is a classic - using a model volcano, combine baking soda and vinegar to get an eruption. In this experiment, we'll use the product of that eruption to inflate a balloon.
INFLATABLE BALLOON WITH BAKING SODA AND VINEGAR
*Caution! Have an adult help mix the ingredients or this could get messy!
Items you'll need:
- Empty bottle, such as a water or pop bottle
- Balloon
- 1 cup vinegar
- 1 Tbsp. baking soda
- Funnel or piece of paper
Procedure
- Fill the plastic bottle with vinegar.
- Stretch the balloon end out, then use the funnel to pour the baking soda inside.
- Carefully fit the balloon over the lip of the bottle so no baking soda is poured into the bottle yet.
- When you are ready, hold the balloon up and let the baking soda pour into the vinegar below.
- Watch the balloon inflate as the baking soda and vinegar fizz away!
How it works
Baking soda and vinegar react because baking soda is a base while vinegar is an acid. The combination causes the ingredients to break down, making carbon dioxide and water. The carbon dioxide rises and fills the balloon.
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