Breathing Yeasties
Source Institutions
-
New York Hall of Science
Add to listGo to activity
Does yeast breathe? Find out by watching how plastic bags filled with yeast, warm water and different amounts of sugar change over time. Demonstrate the interaction of microorganisms and the carbon cycle with yeast, sugar and water, and discover how organisms are dependent on water and energy flow. [Activity is publicly available through a web crawler capture on Archive.org. Activity write-up only, images are unavailable.]
- 5 to 10 minutes
- 45 to 60 minutes
- $1 - $5 per student
- Ages 6 - 14
- Activity
- English
Quick Guide
Materials List (per student)
- Four (4) quart-sized Ziploc bags
- 4 packets of activated dry yeast
- sugar
- 1 teaspoon
- 1 measuring cup
- about 6 cups warm water (about 46oC or 115oF)
- large bowl
- marking pen (permanent ink)
- thermometer
- piece of cardboard (or notebook with a stiff back)
- ruler
- pen or pencil
Subjects
- Physical Sciences
- Chemistry
- Chemical Reactions
- Chemistry of Life
- Solutions
- Chemistry
Informal Categories
- Food and Cooking
Audience
To use this activity, learners need to:
- see
- read
- touch
Learning styles supported:
- Involves hands-on or lab activities
Other
Access Rights:
- Free access
By:
Source Collection:
- TryScience
Rights:
- All Rights Reserved, TryScience/New York Hall of Science, or are licensed or otherwise published by the New York Hall of Science with the permission of the owner of the material., ©1999
