Title: Fermentation Lab
Length of Time: 4 days
Objective: Students will know that it takes a reaction (possibly enzyme catalyzed) to convert biomass into a more usable form. Students will analyze and present their findings on the lab they complete to the class on the enzyme action that is affected by an environmental variable.
Standards: Biology Standards: B.1.1, B1.2, B.1.3, B.3.1,
Biomass Standards: Students will know that it takes a reaction (possibly enzyme catalyzed) to convert biomass into a more usable form.
21st Century Standards: Collaboration, Critical Thinking, Communication
Materials:
• 30 gm dried, active yeast (Fleischmann's 113g bottle)
• 225 mL tap water (minerals are needed by living things!)
• 250 mL beaker
• 500 mL conical flask
• 50 mL graduated cylinder
• 500 mL graduated cylinder
• 1-holed stopper for the above flask (#4 ?)
• 8 cm tube to fit the hole in the stopper (¼-inch copper tubing is
unbreakable; safe)
• 60+ cm of flexible tubing that fits the copper tube
• 400 mL beak half-filled with water
• a collection of substrates such as sucrose (table sugar), glucose, fructose, galactose, Sweet'n'Low®, Splenda®,
Equal®
• a collection of toxins such as lead nitrate, mercury chloride, clorox, ethanol, etc.
General Procedure:
Assessment: Written lab report at the conclusion of all labs that deal with enzymes and the effects on them by environmental variables.
Length of Time: 4 days
Objective: Students will know that it takes a reaction (possibly enzyme catalyzed) to convert biomass into a more usable form. Students will analyze and present their findings on the lab they complete to the class on the enzyme action that is affected by an environmental variable.
Standards: Biology Standards: B.1.1, B1.2, B.1.3, B.3.1,
Biomass Standards: Students will know that it takes a reaction (possibly enzyme catalyzed) to convert biomass into a more usable form.
21st Century Standards: Collaboration, Critical Thinking, Communication
Materials:
• 30 gm dried, active yeast (Fleischmann's 113g bottle)
• 225 mL tap water (minerals are needed by living things!)
• 250 mL beaker
• 500 mL conical flask
• 50 mL graduated cylinder
• 500 mL graduated cylinder
• 1-holed stopper for the above flask (#4 ?)
• 8 cm tube to fit the hole in the stopper (¼-inch copper tubing is
unbreakable; safe)
• 60+ cm of flexible tubing that fits the copper tube
• 400 mL beak half-filled with water
• a collection of substrates such as sucrose (table sugar), glucose, fructose, galactose, Sweet'n'Low®, Splenda®,
Equal®
• a collection of toxins such as lead nitrate, mercury chloride, clorox, ethanol, etc.
General Procedure:
- Students will count the amount of bubbles at 1 minute intervals after 5 min. Students may or may not choose to test different environmental variables.
Assessment: Written lab report at the conclusion of all labs that deal with enzymes and the effects on them by environmental variables.
fermentation_lab.pdf | |
File Size: | 128 kb |
File Type: |