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A student tests whether sugar dissolves faster in hot water. What is the independent variable?

Answer and explanation

Correct answer: Temperature of water

The independent variable is the factor deliberately changed during an experiment. Here, the student changes the temperature of the water to observe its effect on how quickly sugar dissolves, so water temperature is the independent variable. Dissolving time is the dependent variable because it changes in response to temperature. Exam tip: Identify the factor that the experimenter changes intentionally.

Related tags

Independent VariableDependent VariableScientific InvestigationTemperatureDissolving SugarExperimentationHypothesis And ExperimentationExploration: Entering The World Of Secondary Science

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