Saturday, January 16, 2010

What will be the control and variable in this science project?

Problem: Does the storage temperature affect the pH of juice?What will be the control and variable in this science project?
i believe the juice's ph at a certain temperature would be the control and the variable would be the different temperatures you use to measure whether or not the pH of the juice changes w/ temp.What will be the control and variable in this science project?
The so called ';best answer'; for this question is incorrect. The control in the experiment is the juice that hasn't had it's temperature changed. And also the type of juice. There are 2 variables, independent and dependent. Independent would be the temperature. Dependent is the resulting pH.

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A control would be juice that hasn't had its temperature changed. There are two variables, temperature and pH. Temperature is the independent variable and pH is the dependent variable.

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