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What will happen if we have three petri dishes lined with agar…  Touch one of them and seal  Breathe in one and seal  Leave one completely alone to.

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Presentation on theme: "What will happen if we have three petri dishes lined with agar…  Touch one of them and seal  Breathe in one and seal  Leave one completely alone to."— Presentation transcript:

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2 What will happen if we have three petri dishes lined with agar…  Touch one of them and seal  Breathe in one and seal  Leave one completely alone to use as our control

3  The bacteria is going to be yellow with a lot of colonies  Touch will have more colonies than breath  Nothing will grow in the control petri dish

4  13 colonies of bacteria the first day  70 colonies the second day  81 colonies the third and last day  Biggest colony was twenty two millimeters long

5  8-11 colonies on the first day  The second day it stayed the same  The third day had twenty one colonies  The biggest colony was seven millimeters long

6 Touch Breath

7 Number of Colonies

8  Our hypothesis was correct!  We successfully grew bacteria in both petri dishes  Touch dish had the most  Control had none.

9 The Brown Mountain Lights are said to be spirits of Native Americans. The theory is that methane gas rising into the air and then burns.

10 "MicrobeWorld - My published negative result… (The Gene Gym blog)." MicrobeWorld. N.p., 24 Oct. 2012. Web. 24 Oct. 2012. "brown mountain lights - Bing Images." Bing. N.p., n.d. Web. 29 Oct. 2012.


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