Answered

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When planning a simple experiment, what does it mean to “test one variable”?

a During the experiment, the scientist keeps the control the same but changes many other elements he or she is testing.

b During the experiment, the scientist has only one element, or variable, that is changed to test the hypothesis.

c The scientist can only use simple language and materials when planning the one variable to be tested.

d The scientist plans and performs just one science experiment a day to test one variable.

Sagot :

Answer:

I believe the answer is "b". "During the experiment, the scientist has only one element, or variable, that is changed to test the hypothesis."

Explanation:

I remember from last year but I'm not totally sure. Good luck!

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