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Class 9 Science के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ScienceRepeated experimental results are very similar to one another but far from the true value. What can be said about the measurements?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpertScienceWhat is the most appropriate step if the value of a controlled variable changes accidentally?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMediumScienceAn experiment gives results of (12.1) cm (12.0) cm and (12.2) cm while the true value is (15.0) cm. How should these measurements be described?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpertScienceIf repeated measurements are close to one another but far from the true value how should the results be described?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHardScienceThe smallest division of a measuring instrument is five millimetres. A student records a length as twelve point three four centimetres. What is wrong?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsExpertScienceFour students measured the same object's length and obtained slightly different results. What is the most appropriate scientific response?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsExpertScienceWhat is the benefit of taking the same measurement several times?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsEasyScienceWhat is the benefit of repeating the same measurement several times?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsMedium

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