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...
Museum of Science
Elephant Toothpaste
Get a surprised reaction from trying out the chemical reaction. Scholars conduct a chemical experiment by adding yeast to hydrogen peroxide and dish soap in a plastic bottle. They learn that yeast contains a catalase enzyme that releases...
Nuffield Foundation
Working with Immobilized Enzymes or Microscopic Organisms
Let the lab be a catalyst to learn about enzymes. Scholars create alginate beads filled with yeast. As part of an investigation into enzymes, they see how these beads provide a catalyst to the reaction of glucose into ethanol.
Nuffield Foundation
Maintaining and Preparing Cultures of Bacteria and Yeasts
Don't let your bacteria go to waste. A tutorial explains how to properly store and maintain bacterial stock cultures. It describes the purpose and preparation of a permanent stock, as well as a working stock for use in experiments.
Nuffield Foundation
Making a Streak Plate
Cultivate bacteria with a straightforward lesson featuring agar. Scholars create a streak plate on agar to ideally create colonies of bacteria or yeast that are growing separately from each other. The resource introduces the simplest...
Teach Engineering
Microbes Know How to Work!
Scholars harness the power of microbes with an engaging activity that uses yeast to break down sugar in water. Multiple setups of the same experiment lets learners determine which temperature results in the fastest rate of sugar...
Curated OER
DNA Extraction from Yeast Cells
Students explore DNA. They work in groups and mix prepared detergent/ salt solution, meat tenderizer solution, Fleischman's yeast and water to extract DNA from yeast. Observations are recorded.
Curated OER
Catalysts and Enzymes
Biochemists experiment with the oxothermic decomposition of hydrogen dioxide by adding manganese dioxide. They observe how pepsin enhances the action of acid on the digestion of egg white proteins. They use yeast to make bread rise. All...
Curated OER
Microbes
Microbiology beginners feed different sweetening agents to yeast and measure carbon dioxide production to estimate energy contained in each. They set the trials up in zip-top plastic baggies and then measure gas volume by water...
Curated OER
Population Growth in Yeasts
Students design an investigation using yeast. In this environmental engineering lesson, students design an investigation to determine how environmental factors affect the growth of yeast. They will collect quantitative data and discuss...
American Physiological Society
An Inquiry into Alcoholic Fermentation
Introduce life science high schoolers to their new "best buds" yeast! Using a wide variety of materials, lab groups design an experiment that illustrates how yeast acquires the resources it needs to undergo cellular respiration. The...
Curated OER
Alcoholic Fermentation in Yeast
Biology learners investigate the effect of sucrose concentration on yeast alcoholic fermentation. During the lesson,they compare and contrast the processes of cellular respiration and alcoholic fermentation. They design an experiment to...
Curated OER
Measuring Temperature and the Production of CO2 in Yeast
Students use a model experiment to complete an experiment on yeast. In groups, they identify the independent and dependent variables and use the scientific method to complete the activity. They record their observations and discuss them...
Curated OER
It's Alive! Using Microorganisms in Cooking
Students create a KWL chart about food. In this chemistry lesson, students differentiate physical and chemical changes. They explain how microorganisms are used in food preparation.
Curated OER
Yeast
Young scholars study the characteristics of yeasts. In this biology lesson, students conduct experiments to measure yeast respiration. They discuss the favorable conditions needed for growing them.
Curated OER
Jr. Chef Club Super Snacks Lesson 6
Students explore healthy snacks. In this nutrition and cooking lesson, students observe and identify food groups on USDA's MyPyramid food guide. Students discuss how fiber helps our digestive system and follow a recipe using yeast to...
Curated OER
Alcoholic Fermentation Lab
In this alcohol fermentation activity, students design an apparatus to study the alcoholic fermentation of yeast. Once complete, students answer 8 short answer questions.
Curated OER
Cell Energy - Bubbling Yeast
Students identify that yeast are a single celled fungi that are a great model organism for studying respiration in the classroom. They also fill the bulb of a disposable pipet (eyedropper) with yeast, then submerge the pipet in a test...
Alabama Learning Exchange
Observation of Yeast Growth
Middle schoolers build an apparatus to look at how yeast cells grow by converting food to energy. They observe yeast both with and without food and see how yeast produces carbon dioxide.
Curated OER
ME402: Growth of Yeast
Students investigate the growth of yeast in a sugar solution. They verify the pressure of carbon dioxide using bromothymol blue. Students are asked to describe the difference between the contents of the test tubes used and to explain...
Curated OER
How To Make Yeast Cells Thrive
Students set up and run the experiments they designed in the lesson, 'Population Growth in Yeasts,' using simple yeast-molasses cultures in test tubes. They demonstrate understanding that several environmental factors can contribute to...
Curated OER
TE Activity: Yeast Cells Respire, Too (But Not Like Me and You)
Student observe and quantify the respiration that occurs in yeast-molasses cultures. They complete an effective experiment in order to examine how to think critically about the results.
Curated OER
What Do Bread and Beer Have in Common?
Students listen to an explanation of yeast cells and how they effect bread and beer. They discuss the ways alcohol affects the human body and participate in an indirect observation about cell respiration in yeast-molasses cultures.
Curated OER
Barf Bag Microbiology
Students investigate and determine which types of carbohydrates Baker's yeast prefers. They crumble Cheerios, Smarties, and Fruit Loops and feed them to the yeast and watch what happens, when the bags begin to barf.