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 …showed first 75 words of 907 total…

…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