Medicine and Health Science Fair Project
Find out if bacteria enters a beverage when you drink it from a bottle

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Project Information
Title: Find out if bacteria enters a beverage when you drink it directly from the bottle or carton and if refrigerating would affect the bacterial content of beverages.
Subject: Medicine & Health
Grade level: Elementary School - Grades 4-6
Academic Level: Ordinary
Project Type: Experimental
Cost: Low
Awards: First Place, Canada Wide Virtual Science Fair ($80)
Affiliation: Canada Wide Virtual Science Fair
Year: 2010
Materials: Latex gloves, face masks, bottles of distilled water, prepared agar plates, eye droppers, Ziploc freezer bags.
Description: A few water samples were prepared: from bottles that somebody drank from them, closed bottles, the same refrigerated and not refrigerated. The drops were applied into prepared agar plates using eye droppers. The agar plates were placed under a warm light to incubate the bacterial growths which were monitored and photographed over time.

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