Science Project Summary:

How to store bread safely

Featured science projectScience project video Intermediate 4 < 2 weeks $10-$25 Readily available [+] More info
Difficulty: Intermediate 4
Cost ($): 15
Time required: < 2 weeks
1 hour to prepare, 8 days for observation
Availability of materials: Readily available
Very easily found. May be purchased at a supermarket/hobby store. Access to a refrigerator at school or at home is required.
Required Skills: None
Safety concerns:


[-] Less info
This experiment was conducted to find out what conditions will help prevent bread becoming moldy. The bread was kept in different environments to observe the time taken for the mold to appear.
Procedure preview:
1.    For this experiment, the independent variable is the environment in which the bread slice is kept. The dependent variable is the growth of bread mold. This is determined by inspecting the bread with a magnifying glass. The constants (control variables) are the room temperature, the age of the bread and the handling of the bread. 2.    The 5 slices of bread are prepared as follows : a.    a few drops of water  are placed on the 1st  slice of bread and it is kept in a dark and damp place, b.    the 2nd slice of bread is kept unattended .....