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How many variables should be manipulated in a correctly performed scientific experiment?

User AMIC MING
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2 Answers

3 votes
There should be one manipulated variable in a science experiment to be consistent. One purposefully manipulated (Independent variable), something will change(dependent variable) because of that and something(s) will stay the same (constant variable)
User Hillkorn
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2 votes
there should only be 1...bc if u have more than 1 it would mess up the whole project
User Martynas B
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