Sunday, October 25, 2009

last week we tested all these petri dished\s.We lerned about these diffrent bacterias,likebacillus which is in a rod shape.cocci which is ina circular shape.Spirilluim which is in this spirl or swiggly shape.staphylo which is in a clump shape.tetra which is a group of four shape.Strepto which is in a chain shape.diplo which is a pair.Then we started making these combined bacterias like staphyococcus,tetaspirrillium and strerptobacciclus.Then we looked at our petri dishes in the sterio scope.a sterio scope is is a sort of a microscope which has as strongert magnificaition and two eye pieces.it ahas the base the stage and all those other things in a average microscope.we also learned about probiotics which is good bacteria that helps the immune system.

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