Serendip
Is Yeast Alive?
Through two investigations, life science learners determine whether or not yeast is alive. They perform tests for metabolism by providing sugar and observing if gas is produced as a byproduct. They incubate some of the sample for at...
Curated OER
To Have Or Not To Have Oxygen (Part I - Fermentation)
Students explore the fermentation process. In this biology lesson plan, students describe the process of glycolysis and infer the reactants and products of fermentation.
Curated OER
Gluten and Balloons What Do They Have In Common?
Students examine the purpose of gluten in bread making and what type of flour is needed to make bread. They compare the properties of a balloon to bread dough to explain yeast fermentation. They make bread.
Curated OER
Biofuels Blast!
Students observe yeast fermentation using different energy source. In this chemistry instructional activity, students measure the gas collected in the balloon. They upload their observations on the internet so they can share it with kids...
National Renewable Energy Laboratory
No Fossils in This Fuel
Yeast and sugar go beyond the pantry and into a fuel experiment. Use these common baking ingredients to assist your class in creating ethanol, a natural fuel. Pupils observe the process and gather information to elaborate on the...
Curated OER
Microorganism Multiplication
Seventh graders complete two experiments to learn about harmful and helpful microorganisms. In this microorganisms lesson, 7th graders read background information about fungi, yeast, and club fungi. Students then complete two experiments...
Science Buddies
Science Buddies: Yeasty Beasties
While looking at a package of dry yeast it is hard to believe it is alive. But add the right ingredients and presto, the mixture becomes a bubbly, oozing, mess of life. What are the right ingredients? Do this experiment and figure it out...