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A student changes both water temperature and container size while measuring evaporation rate. What is the main flaw in this design?

Answer and explanation

Correct answer: Effects cannot be separated because two independent factors change together

Both temperature and container size can affect evaporation. Only one factor should be changed in one experiment.

Related tags

Experimental DesignMultiple VariablesEvaporationVariables In An ExperimentExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScienceClass 9 Mcq

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