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Class 9 Science Exploration: Entering the World of Secondary Science Hypothesis and experimentationEasy

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What is necessary for a fair experiment?

Answer and explanation

Correct answer: Change one main variable and keep other factors the same

Changing one main variable allows its effect to be tested clearly. Remember the principle of a fair test.

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Fair Experiment Controlled Variables Scientific Testing Hypothesis And Experimentation Exploration: Entering The World Of Secondary Science Exploration Entering The World Of Secondary Science Science Class 9 Mcq

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