5
QuizMultiple Choice

Scientific Inquiry

Question 5 • JPS-2026/27-WRHS-Environmental Science A-(CR-S1)-Miller

An independent variable is

Answer
A
directly changed by the experimenter.
B
manipulated by changes to the dependent variable.
C
a variable that is kept constant.
D
a variable that is used as a control.

Explanation

An independent variable is the factor the experimenter deliberately changes to see whether it affects the results. The dependent variable is what is measured in response. Therefore, the correct choice is “directly changed by the experimenter.”

AI-written and checked against the verified answer.

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