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Controlled Variables

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

ScienceIn an ideal fair experiment, which relationship among independent, dependent and controlled variables is correct?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student says that it is always possible to keep every controlled variable exactly identical. Which evaluation is most appropriate?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceA student tests whether stirring speed affects dissolving time. Which experiment is the fairest?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceWhich factor is most important to keep controlled while testing the effect of water temperature on the rate of sugar dissolution?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceIn which situation will the validity of an experiment increase the most?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceA student investigates how fan speed affects cloth drying time. What happens if the amount of water in the cloth differs?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhy should the initial size of potato pieces be kept the same in the salt-solution experiment?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhy should the number of seeds be the same in each group of a germination experiment?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhile testing the falling time of parachutes of different sizes, which is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhat is the independent variable while testing the effect of stirring speed on salt dissolving?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhat is the independent variable when testing the effect of container surface area on evaporation?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhy will the conclusion be weak if the cloth in sunlight is large and the cloth in shade is small?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhich factor should be kept the same in a fair comparison of cloth drying?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhile testing the effect of soil type what type of variable will plant height gain be?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhich group is a correct example of controlled variables while testing the effect of temperature on sugar dissolving?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student adds different amounts of salt and measures the boiling time of water. What type of variable is the amount of salt?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceWhat is the benefit of identifying variables in an experiment?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceIn which situation is an experiment considered fair?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceWhat should the water temperature be in an experiment on stirring speed?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceIn the same experiment how should the amount of water be kept?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy