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Purpose: To determine the materials necessary for yeast to live and reproduce.
Summary: Students will design an experiment using provided materials to determine which items are necessary for the survival and reproduction of yeast cells. After teacher approval, students will set up the experiment and make observations about gas production.
Objectives Links:
Process Skills Checklist
Materials:
- plastic snack bags
- yeast
- flour
- sugar
- water
- salt
- warm water bath
- balance
- graduated cylinder
Safety Concerns:
Do not eat or drink. Use caution around warm water bath.
Revision Date: Summer 2005
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