MadSci Network: Microbiology

Subject: How can agar plates show you the germs on food?

Date: Tue Feb 8 18:49:47 2005
Posted by Jenna
Grade level: 7-9 School: crescent park elementary
City: Surrey State/Province: British Columbia Country: Canada
Area of science: Microbiology
ID: 1107910187.Mi

I am doing a science fair project on the five second rule, and I don't understand how you will know if the germs are on the food or not if you place it on the agar plate will it show you that the germs are there? Please try and email me back this is a really important project and it's due soon.

(Moderator's note: Consider the question within the context of an experiment that takes two items of food - one is placed to a Petrie plate, the second sits on the floor for 5 seconds before being plated. How would differences be determined and quantified.)

Re: How can agar plates show you the germs on food?

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