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Bacteria on chopping boardsFeatured science projectScience project video

Observation

The results show that the wooden boards have less bacteria compared to the plastic boards no matter what method of washing is used. It is also observed that bleach is the most effective cleaner for the removal of bacteria from the chopping board's surface.

Used chopping board

Size of bacteria growth after 5 days (mm)

Water

Soap

Dettol

Bleach

Wooden board

35

23

3

2

Plastic boards

39

28

14

4

The chart below represents the results of our science project experiment.

bacteria chopping boards science project

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Complexity level:
7
Project cost ($):
20
Time required:
1 day to prepare, 5 days for science fair project
Material availability:
Easily found
Safety concerns:

The bacteria should be destroyed before it is disposed of. Pour some bleach into the petri dish to kill all of the bacteria before disposal.