Materials List: Engineering the Efficiency of Alcoholic Fermentation

Each group needs:

  • 4 water displacement apparatuses (see below)
  • 4 ring stands
  • 4 ring clamps (4 inches) and support
  • 4 100 mL graduated cylinders
  • 4 balloons (of different colors red/orange/yellow/green/blue)
  • 4 pieces of string, 6 inches in length (yarn will also work)
  • 1 or 2 - electronic Balance(s)
  • 2 weigh papers (1 for yeast and 1 for reactant)
  • 2 spatulas (1 for yeast and 1 for reactant)
  • 4 funnels
  • poster paper and markers
  • Chromebook to access Google Sheets or computer with Microsoft Excel
  • copies of the Student Handout (one per student)
  • timers

To create water displacement apparatus:

Option 1

  • traffic cone (12 inches tall, available online)
  • 500 mL plastic beaker, available online
  • 2 zipties, 37 cm long
  • X-Acto (or similar) knife, for teacher use only when assembling water displacement apparatus
  • permanent marker
  • square resealable plastic bag, snack size
  • 250 g of dried rice
  • Styrofoam plate, 7 inches in diameter

Option 2

  • Funnel, 7.5 inches in diameter, available online
  • 500 mL plastic beaker
  • spiral hair tie, available online
  • square resealable plastic bag, snack size
  • 250 g of dried rice
  • Styrofoam plate, 7 inches in diameter

To share with the entire class

  • 1000 mL of distilled water heated to ~40°C
  • 4 oz jar of instant yeast, such as Fleischmann’s Instant Yeast
  • ~20 g of sucrose (e.g., from a bag of granulated white sugar)
  • ~20 g of corn starch
  • ~20 g  of lactose, available online
  • ~20 g of glucose (or dextrose), available online
  • ~20 g of fructose, available online
https://www.teachengineering.org/activities/view/usm-2669-engineering-efficiency-alcoholic-fermentation