Your students will be talking about this fermentation lab for years to come! Not really "barf", but the mixture of cereal, yeast, and water sure looks like it when the sandwich bag bursts open! This quick and easy lesson is perfect for life science or biology students learning about cellular respiration or fermentation. Please Note: This lab is also part of my Full-Year Biology Curriculum and the Biology Unit 4: Cellular Energy! This inquiry lab involves very little preparation. Because the…