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Extreme temperatures and its effect on the growth of bacteriaFeatured science projectScience project video

Observation

The following table is meant for recording the results of this experiment.

Bacillus Cereus:

Number of hours bacteria were stored Storage temperatures (degree Celsius)
40 35 5 -20 -30 -60
24          
48          
72          
96          
120          
144          
168          
Average          

*Draw 4 more similar tables for the other 3 bacteria.

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Complexity level:
9
Project cost ($):
50
Time required:
2 hours to prepare (Day 0), 7 days incubation period (Day 1 to Day 7), 15 minutes each day (from Day 1 to Day 7), 30 minutes to transfer samples on Petri Dish (Day 8) 24 hours for inoculation, Observation on Day 9
Material availability:
The school biology laboratory should provide all the necessary materials.
Safety concerns:

Goggles and gloves must be worn at all times to prevent contamination as we’re dealing with biohazardous materials. Adult supervision encouraged.