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Sixth grade Science students blogging from the Pacific Northwest in Chimacum, WA!
Mr. G's Blog
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by teacher: Alfonso Gonzalez
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A. Our question was which place is the dirtiest and I concluded that the keyboard was the dirtiest, if you think otherwise live a comment below.
E. The evidence for my conclusion is that the petri dish is covered with hundreds of colony's of bacteria the mouth also had quite a lot of bacteria I don't think there was as much as the keyboard.
I. The first thing I swabbed I forgot to do the zigzag motion and that was the urinal we also forgot to run it through water so we kinda messed up there, I also accidentally opened the lid too long so some of it got contaminated.
O. I observed that some parts were contaminated and the places that I had expected to have the most bacteria had actually the least.
U. I think that we muffed up a lot and we could do better if we did it again and actually remembered to moisten the q-tip and swab it correctly.
Y. Why was there little or no bacteria in a used urinal?
Article posted February 9, 2012 at 12:18 PM • comment • Reads 80 • Return to Blog List
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