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A student measured a plant's height at the same time each day for five days. Why was the time kept the same?

Answer and explanation

Correct answer: To keep time as a controlled variable

Keeping the same time reduces the extra effect of timing on daily comparisons. In exams treat constant conditions as controlled variables.

Related tags

Controlled VariableTimePlant HeightFair MeasurementScientific Questions And ObservationsExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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