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We have three 6th grade Science classes and two 8th grade Science classes blogging here from the Pacific Northwest in Chimacum, WA! Sixth graders are learning a bit about Mt Saint Helens, environmental science through fresh water ecology, and physical science this year. Eighth graders are learning about life science this year. Please join us as we learn Science by exploring our world.
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Bacteria

We did an expirement. We had to  swab different surfaces, we swabbed the gym door, the toilet seat, the toilet flusher and the gum under the table. We put it in a petri dish to grow the bacteria, here's what we found!


 


The gym door handle has the most bacteria out of the toilet seat, flusher, and gum under the table. The toilet seat had absolutely no colonies of bacteria growing on the agar. The toilet flusher had one large colony. The gum underneath our table grew three colonies of bacteria. The gym doors had over 20 colonies and two gigantic colonies. Most of the colonies were the size of a “.” some were the size of a “o” and the largest one was about twice the size of an “O”. One of our inaccuracies was  contamination. In our gum under the table, there is bacteria growing away from where we swabbed, it was a contamination. In conclusion, if you go to Chimacum schools, I suggest that you was your hands after touching the doors.



Article posted February 10, 2012 at 12:02 PM • comment (1) • Reads 832 • Return to Blog List

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I think you had a really good understanding of the bacteria lab. You spelled everything correct, I did not find anything wrong with it. You were descriptive in your observations. Good job!
Comment Posted on February 10, 2012 at 01:55 PM by Seanm


About the Blogger
My name is Jonna I'm 13. I'm in eight grade and I'm only 4'9". Pretty short huh? I'm also one of the smartest blondes you will ever meet(: I play Halo:Reach and sometimes COD:Black Ops. I also play Xbox Live. Sh0ck eN Aw3. I play volleyball. I've been to the state capitol to pass a bill to get more music funding to all schools in Washington State through a special license plate purchase. Well, that's me! Check out the girl! Her eyes follow your mouse(:
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