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What’s in Your Milk?
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For grades
8
thru
12
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Category:
Chemistry
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Hypothesis:
Unpasteurized samples of different types of milk will develop more bacteria than pasteurized samples.
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Primary Materials Used:
Thermometers, Pressure Steam Sterilizer, Beaker, Samples of Goat’s, Cow’s, Sheep’s and Human Breast Milk, Stopwatch, Plastic Screw Cap Test Tubes, Double Boiler, Test Tube Tongs, Magnetic Agitator, Different types of Agar, Burner, 2 Erlenmeyer Flasks with Screw-Top Stoppers, Pipets, Petri Dishes, Ethanol, Incubator, Hot Plate
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