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Product 14173

By: The Flinn Staff

Alcohol Fermentation Biochemistry Demonstration Kit
fermentation, biochemistry, chemical reaction
glucose, yeast, oxygen, carbon dioxide
gas-collecting chamber, ph indicators
Alcohol Fermentation Biochemistry Demonstration Kit
fermentation, biochemistry, chemical reaction
glucose, yeast, oxygen, carbon dioxide
gas-collecting chamber, ph indicators
With the Alcohol Fermentation Demonstration Kit for biochemistry, show unique color changes that will help your students understand the fermentation process.

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Product Details

The unique color changes will help your students understand the fermentation process. A glucose solution is inoculated with yeast in an Erlenmeyer flask and then connected with a tube to a gas-collecting chamber. As fermentation occurs, the depletion of the oxygen in the flask causes a dramatic color change in the indicator in the flask. Simultaneously, the carbon dioxide produced from the reaction causes a color change in a different indicator solution in the collecting chamber. Enough indicator solutions, yeast and sugar are provided to conduct the demonstration seven times. Detailed instructions and background information are provided.

Concepts: Fermentation, pH indicators.
Time Required: One class period
Note: A 250-mL flask, one-hole stopper, test tube, glass tube and plastic tubing are required for completion of the demonstration.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Analyzing and interpreting data

Disciplinary Core Ideas

MS-LS1.C: Organization for Matter and Energy Flow in Organisms
MS-LS2.B: Cycle of Matter and Energy Transfer in Ecosystems
HS-LS1.C: Organization for Matter and Energy Flow in Organisms
HS-LS2.B: Cycle of Matter and Energy Transfer in Ecosystems

Crosscutting Concepts

Energy and matter
Stability and change

Performance Expectations

MS-LS1-7. Develop a model to describe how food is rearranged through chemical reactions forming new molecules that support growth and/or release energy as this matter moves through an organism
HS-LS2-3. Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.