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Project title Examining the effect of temperature on bacteriaFeatured science projectScience project video
Difficulty Level High school
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Description
The objective of this science fair project is to investigate the effect of hot and freezing conditions on the survival of bacteria. The experiment will be carried out by placing E Coli, Streptococcus and Bacillus bacteria at -78 degrees Celsius, 0 degrees Celsius, 25 degrees Celsius, 60 degrees Celsius and 100 degrees Celsius 

Instructions preview
1. The independent variables in this science fair project are the temperature and species of bacteria - E Coli, Streptococcus or Bacillus. The dependent variable is the size of bacteria growth after five days, which is determined by measuring the size of bacterial growth with a ruler. The constants (control variables) are the temperature of the room, amount of sunlight, and agar preparation of the Petri dishes. 2. Store the 15 Petri dishes prepared using the agar in a refrigerator. Before the start of the experiment, take the 15 Petri dishes out of the refrigerator and allow them to .....
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