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Project title Bacteria on chopping boardsFeatured science projectScience project video
Difficulty Level Middle school
Project page  Click here to view this science project

Description
This science fair project was done to ascertain the amount of bacteria on chopping boards. The science project experiment involved using wooden and plastic chopping boards. 

Instructions preview
1. For this science fair project, the independent variable is the type of chopping board and the method of cleaning the chopping board. The dependent variable is the size of the bacteria colony in the petri dish. This is determined by measuring the size of the bacteria growth using a ruler. The constants (control variables) are room temperature, the amount of sunlight and the ingredients in the petri dish. 2. The 8 petri dishes that are prepared using the agar are stored in a refrigerator. The petri dishes are brought to room temperature before the start of the science .....
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