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Class 9 Science Exploration: Entering the World of Secondary Science Variables in an experimentHard

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When investigating the effect of temperature on metal length what measurement is more appropriate if initial lengths are unequal?

Answer and explanation

Correct answer: Change in length

Change in length accounts for differences in initial size. Choose a dependent variable that clearly represents the actual effect.

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Dependent Variable Thermal Expansion Measurement Variables In An Experiment Exploration: Entering The World Of Secondary Science Exploration Entering The World Of Secondary Science Science Class 9 Mcq

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