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

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For a fair experiment how many independent variables should be changed at one time?

Answer and explanation

Correct answer: One

Changing only one independent variable at a time helps identify its effect. In exams remember the idea of a fair test.

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Fair-Test One-Variable Independent-Variable 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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