"Barf" Bag Lab! Alcoholic Fermentation Activity

Grade Levels
6th - 12th, Homeschool
Formats Included
  • PDF
1 page

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  1. Need some ideas for fun Biology labs, experiments, and activities? Never taught a high school Biology course and don't know where to start? These fun and easy labs are the perfect solution! Topics covered include: characteristics of living things, scientific method, properties of water, enzymes,
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Your students will be talking about this 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.

This inquiry lab involves very little preparation. Because the fermentation process takes 1/2 to 1 hour, it is best to set up the lab, let it run for most of the class, then watch the bags POP as the carbon dioxide builds! *This lab is not as messy as it sounds. The bags do not explode, but they will pop and dribble fermented cereal on your lab table.*

You will not be disappointed by this unique and memorable lab!

If you are using this as part of a unit on cellular respiration, you may also like my ATP, Photosynthesis, & Cellular Respiration Bundle!

Trying to include more activities in your class time? I’ve got lots of great labs and activities to choose from! Please feel free to look around at my other resources, or check out these great products:

Environmental Science- Spheres of the Earth (FREE)

Characteristics of Living Things Activity

World Biomes Poster Project: Habitats & Food Webs

STEM Activity- Building an Electric Generator Using Renewable Resources

Basic Biology- Frog Dissection

For Primary Educators: Please check out my STEAM Activities for Primary Grades

*All of my products have been tried and tested in my own classroom. I would never sell something that didn't already work for me!*


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Total Pages
1 page
Answer Key
Teaching Duration
50 minutes
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to see state-specific standards (only available in the US).
Use a model to illustrate that cellular respiration is a chemical process whereby the bonds of food molecules and oxygen molecules are broken and the bonds in new compounds are formed, resulting in a net transfer of energy. Emphasis is on the conceptual understanding of the inputs and outputs of the process of cellular respiration. Assessment should not include identification of the steps or specific processes involved in cellular respiration.


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