Which household surface produces the most amount of bacteria colonies? My hypothesis is that the entrance doorknob contains the greatest amount of bacteria/bacteria colonies. I have been fascinated with bacteria and microorganisms ever since a health seminar my father once took me to. I hoped to achieve the fact that people in their domicile that bacteria does exist and can be dangerous, and we should be extremely careful of our hygienic state because of …
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showed last 75 words of 907 total
…touch it often. The carpet seems to contain the most amount of bacteria by a nose. Doorknob comes in second place. The carpet bacteria must be stimulated by the dirt on our feet, socks, and/or shoes. This can be the basis of a next science experiment. My Sources Are: NASD: Keep Foods Safe DeMarco Energy Miser FAQs http://csm.jmu.edu/biology/courses/bio380/LecNotes/GrowthN.html A+ Projects in Biology by Janice VanCleave