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Kombucha, Part 2: Carbonating Kombucha

Students will explore fermentation, carbonation, and behavior of gas particles by carbonating kombucha.

-

grade:

9

12

time:

4 class periods

active lab time:

45

minutes

objectives:

- Explain how kombucha becomes carbonated (both the actual process and on a particulate-level)
- Describe how and why pressure builds within a kombucha bottle
- Assess and compare ways to measure gas pressure in a bottle

science concepts:

microbes, fermentation, cycling of matter, ecosystems, gas, pressure

essential questions:

- How does carbonation occur in kombucha and how can we monitor and control it?
- Why does gas pressure build in second stage fermentation of kombucha?

how did it go?

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