Students learn about how cells fuel themselves by examining how carbon dioxide is produced by yeast cells when the cells feed on sugar. The carbon dioxide is detected through the use of a red cabbage indicator that reacts in the presence of carbon dioxide. The lesson and accompanying slideshow can both be downloaded.

Concepts

energy

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Additional Tags

cell food, how cells get energy, yeast cells, bioed online: fuel for living things

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Classroom Considerations

• Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)