Hypothesis> I think milk becomes yogurt because milk thickens if you add cream and mix it up then add fruit then put in the freezer.
Materials> Milk,Yogurt (fresh plain)
Method> In a beaker add 150mls of trim milk and 2tsps of Acidophilus yogurt.stir to mix. leave out over night.Repeat this for the cream and with trim(milk)
observation
trim-When I looked at the trimed milk it looked normal it looked like milk ,With bubbles
cream- When I looked at the cream Ihad a hard look at it and it was a light yellow
blue- When I looked at the blue milk it looked flat ,No bubbles or anything
At what temp does bacteria?
What temp is a fridge?
What is the healthy temp of a human?
The cream one looks like this
The cream smells gross
The blue looks like this
And the trim looks like this
What happened to change it
The bacteria reproduced
The bacteria fed off the sugar in the milkThe trim milk made a thinner type of yogurt than the others because it has less sugar.
We let the milk stay out for 2 days and then placed the the beakers in the fridge. The results were not very good but it could change.
If we got to do it again I would leave the milk in the fridge for longer.
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