Stafford Leys on Twitter: "Class 21 have been doing experiments to see yeast come alive and inflate balloons. They discovered that yeast needs something to feed on - sugar, to create carbon
Demonstration: Can Yeast Digest Lactose?
Yeast Balloon Experiment
🎈 Yeast Balloon Experiment for Kids with FREE Worksheet
Sugar & Yeast Balloon Experiment - Happy Brown House
Inflate a Balloon with Yeast Experiment - The Stem Laboratory