Scholars harness the power of microbes with an engaging activity that uses yeast to break down sugar in water. Multiple setups of the same experiment lets learners determine which temperature results in the fastest rate of sugar decomposition. 

Concepts

microbes, wastewater, yeast, sugar

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Additional Tags

science

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Instructional Ideas

• Team up with a biology and/or chemistry teacher

Classroom Considerations

• Requires a variety of materials; see Materials section for complete list
• Activity guide lists safety issues and troubleshooting tips; be sure to consult these before conducting activity
• Second segment in a three-part unit

Pros

• Includes a set of assessment questions to use as a concluding discussion
• Lists a way to expand the activity to higher grade levels

Cons

• No student handouts or materials

Common Core

8.G.C.9 8.SP.A.1 HSS-ID.A.1