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Background For Teachers:
Student Prior Knowledge:
Intended Learning Outcomes:
3. Understand Science Concepts and Principles
4. Communicate Effectively Using Science Language and Reasoning
Hydrometers can be used to measure the density of honey solutions before and after fermentation. The resulting change in density can be used to calculate the amount of CO2 released and the ethanol percentage of the fermented solution.
If sugar is added at a rate of more than 3 grams per 4L the yeast are incapable of completely fermenting the solution because they can not continue to grow in ethanol concentrations above 15%. This could be used to teach students about the impacts and definition of pollution.
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