DIY Yeast Inflated Balloon Science Experiment

We love hands on projects here in the Divine household! Science, crafts, wood-working, art... You name it, we like doing it! Creating things, especially together as a family, is tons of fun for us! Little Divine and I have had a lot more time recently so we've been looking for more hands on learning activities to go along with her homeschooling. I bake bread so yeast is a common ingredient in our house. This project seems to be a popular one online with kids and adults alike! (^.^)

First things first - you need 1 empty water bottle of whatever size you choose. We used a regular sized plastic water bottle from the grocery store. You will also need yeast, 1 non-inflated balloon, sugar, and warm water. We mixed 2 tablespoons of yeast into hot water and made sure it was mixed really well. Then we poured it into our water bottle using a funnel. We added 4 tablespoons of sugar to give it some extra stuff to eat off of! We gently swirled the mixture around inside of the bottle and then put our red balloon over the top of the bottle opening.

Almost immediately we saw results! Our balloon slowly started inflating before our eyes! Little Divine was thrilled, and thanks to Mr. Divine making homemade mead, she could tell us all about why the balloon was inflating and what was causing it. (^.^)

We spent the next 2 hours checking on our balloon as it grew and grew. It actually got quite big! We were all very impressed with the fun and ease of this project! It was very simple to put together and didn't require a lot of expensive ingredients - always a plus!

If you try this experiment, let me know what you think!

Don't forget to check out my Esty Shoppe featuring unique and one of a kind items! Dragon Fire Rose


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