Materials List:
Microbes Know How to Work!
Each group needs:
- 3 small empty soda bottles (591 ml)
- 2 large tubs (large enough to contain ice and soda bottles)
- 4.5 kg bag of ice
- thermometer
- 45 sugar cubes
- 3 balloons
- 3 rubber bands
- baking yeast, 3 packets