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In an experiment the container size is the same every time. What type of variable is container size?

Answer and explanation

Correct answer: Controlled variable

Because the container size is kept the same in every trial, it is a controlled variable. Controlled variables are held constant so that the effect of changing the independent variable can be observed fairly. An independent variable is deliberately changed, but the container size is not changed here. Exam tip: A quantity described as “kept the same” or “constant” is usually a controlled variable.

Related tags

Controlled VariablesExperimental VariablesScientific MethodContainer SizeClass 9 ScienceVariables In An ExperimentExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary Science

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