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A student hypothesises that a wet cloth will dry faster when exposed to more airflow. Which factor should be kept the same for a fair test?

Answer and explanation

Correct answer: Cloth size and initial amount of water

Keeping the cloth size and initial amount of water the same ensures that only the effect of airflow is tested. In exams control other influencing factors.

Related tags

HypothesisAirflowDrying TimeControlled VariablesHypothesis And ExperimentationExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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