The Yeast Respiration Lab invites students to explore how living organisms can generate energy without oxygen in a hands-on, inquiry-based experiment. Students investigate how temperature and sugar availability affect anaerobic respiration in yeast by measuring carbon dioxide production through balloon inflation.
$4.00
The Yeast Respiration Lab invites students to explore how living organisms can generate energy without oxygen in a hands-on, inquiry-based experiment. Students investigate how temperature and sugar availability affect anaerobic respiration in yeast by measuring carbon dioxide production through balloon inflation.
Through guided experimentation, real-time data collection, and open-ended investigation, students uncover the conditions yeast need to “breathe” anaerobically — and then take on the challenge of designing their own test using a variable of their choice.
Why Teachers Love This Activity:
How It Works:
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Materials (per group):
Pro Tip: Pre-measure yeast and sugar in small cups to streamline setup. Use a class demo of the warm sugar setup inflating a balloon to grab student attention right away. Then ask: “What’s making the balloon grow?” to kick off student inquiry into the power of yeast!
Grade Levels: 8th – 12th
Total Pages: 14
Teaching Duration: 60 Minutes
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