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What is the independent variable while testing the effect of sound intensity on plant growth?

Answer and explanation

Correct answer: Sound intensity

The independent variable is the factor deliberately changed by the experimenter. In this investigation, sound intensity is varied, while plant growth, such as increase in height, is measured. Therefore, sound intensity is the independent variable. Factors such as the amount of water and plant species should be kept the same as controlled variables. Exam tip: the factor that is changed is the independent variable.

Related tags

Independent VariableExperimental VariablesPlant GrowthSound IntensityScience InvestigationVariables In An ExperimentExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary Science

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