Easy baking soda balloon experiment

Easy baking soda balloon experiment
Our balloon being blow up

Today's easy baking soda balloon experiment involved baking soda and vinegar, which is always a good time in this house. Both of the kids are into watching things explode so they assumed we were making another volcano or a rocket.

Blowing up a balloon with baking soda and vinegar is a little more tame, but still a lot of fun. Here's how you can do it:

Materials:

1 plastic bottle

2 tbsp baking soda

4 oz. vinegar

balloon

funnel (optional)

Procedure:

1. Use a funnel to pour baking soda into the balloon. I didn't have one, so I pulled open the balloon while the kids poured the baking soda in. This method is messier, but it still works.

2. Pour vinegar into the bottle.

3. Carefully attach the balloon to the bottle opening, without allowing the baking soda to fall into the bottle.

4. Once the balloon is securely attached, lift it and tap the baking soda into the bottle.

Watch the mixture fizz and blow up the balloon!

Pouring in the vinegar

Pouring in the vinegar

What happened?

The bubbles are filled with carbon dioxide created by the mixture of vinegar and baking soda. The gas that is formed blows up the balloon. Another simple, yet fascinating project.

Happy experimenting!

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Filed under: kids, science

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