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Class 9 Science Exploration: Entering the World of Secondary Science Hypothesis and experimentationMedium

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A student wants to test whether stirring speed affects the time taken for sugar to dissolve. Which factor should be kept constant for a fair experiment?

Answer and explanation

Correct answer: Temperature of water

Keeping water temperature constant makes the effect of stirring speed clear. Keep controlled factors the same in every trial.

Related tags

Stirring-Speed Controlled-Variable Sugar Dissolving Hypothesis And Experimentation Exploration: Entering The World Of Secondary Science Exploration Entering The World Of Secondary Science Science

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