Fermentation Lab
By: MiKaela Stokes, Jaci Vest, & McKenzie Ivins
Problem:
Hypothesis
The manipulated variable...
The range to be used...
Control Description:
3 Constant Factors:
2. The time it is exposed.
3. The same size beakers.
Materials:
250 mL beaker
250 mL flask
Sugar packets
Ruler or meter stick
String
Balloon
Warm water (110 degrees F)
Dr. Pepper
Coca Cola
Procedure (Manipulated):
2. Add 1 package of yeast to the warm water and stir until it is in solution.
3. Carefully pour the yeast solution into the flask.
4. Immediately place the ballon on the top of the flask.
5. Using your string, measure the size of your balloon ever 3 minutes for 15 minutes.
6. Record Data & come to conclusion.
Procedure (control):
2. Add 1 package of yeast to the warm water and stir until it is in solution.
3. Carefully pour the yeast solution into the flask.
4. Place balloon on the tip of flask immediately.
5. Using your string, measure the size of your balloon ever 3 minutes for 15 minutes.
6. Record Data & come to conclusion.
Data:
Graph:
Graph Explained:
On the y axis is the type of beverage and its growth every three minutes.
Light blue is the starting moment, red is after three minutes, yellow is after 6 minutes, green is after 9 minutes, purple is after 12 minutes, and teal is after 15 minutes.