Science – Blowing up a balloon with vinegar and bi-carb soda

5/6A conducted an experiment using a bottle, balloon, vinegar and bi-carb soda. We poured vinegar into a bottle, and then filled a balloon with bi-carb soda. We put the balloon over the tip of the bottle and let the bi-carb soda fall into the vinegar. We then watched as a chemical reaction took place between the vinegar and bi-carb soda. The reaction caused a build up of carbon dioxide, which moved up and travelled into the balloon… blowing it up.

We found out that the more vinegar in the bottle, the bigger the reaction.

Below are some images of the experiment and some of the students’ science reports.

2 thoughts on “Science – Blowing up a balloon with vinegar and bi-carb soda

  1. I think that our experiment could have worked a little bit better but otherwise, I think that it was a pretty exciting and fun experiment.

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