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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।

ScienceWhen should safety goggles be worn during an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasyScienceWhat is the main purpose of an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasyScienceWhat is the main feature of a good hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasyScienceHow can the answer to a scientific question be found?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsEasyScienceWhat should be done before writing the result of an experiment?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsEasyScienceWhich type of question can be tested through an experiment?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsEasyScienceWhich question tests the relationship between temperature and dissolving rate?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsEasyScienceHow are other factors kept in a fair experiment?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsEasyScienceWhat is the measured result in an experiment called?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsEasyScienceWhat is the factor deliberately changed in an experiment called?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsEasyScienceWhat should be done with other factors if the effect of only one factor is to be studied?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsMediumScienceWhen is a control group useful in a scientific investigation?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsMediumScienceWhy are controlled variables necessary for a fair test?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsMediumScienceIf a student investigates whether fertiliser affects plant height what will be the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsMediumScienceIn an experiment all participants knew they were in the treatment group. Which effect may influence the outcome?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceExpertScienceIn which situation would a control group be least useful for interpreting an experiment?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceExpertScienceIn an experiment the control group accidentally received part of the treatment. What effect may this have?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHardScienceIn a medicine study neither participants nor outcome assessors knew the group assignments. Which method is this?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHardScienceIf an experiment has no control group which claim will be most weakened?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHardScienceTwo explanations account for the same data about a natural phenomenon. What would be a better scientific test?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHard

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