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Controlled Variable

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

ScienceIf two types of soil are being tested in different groups which factor should be kept the same?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceWhich factor may be a controlled variable in a plant light experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceWhy is it necessary to keep the amount of sugar the same in the experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceKeeping temperature the same in an experiment is what type of action?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceWhy is the soil type kept the same in an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceWhat is the role of a controlled variable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceA student drops a ball from different heights and measures rebound height. Which factor should be controlled?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceA student asks how surface area affects the rate of evaporation. Which factor is most essential to keep the same for a fair test?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceIn an experiment students kept temperature constant but used different amounts of water. Why may comparison of dissolving time be unfair?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceA student measures the length of a shadow at the same time each day. What is the purpose of choosing the same time?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsMedium ScienceWhat is the purpose of controlled variables in a fair test?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsMedium ScienceIn an experiment a student observed colour using different amounts of liquid each time. Why is a correct conclusion difficult?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceA student measured a plant's height at the same time each day for five days. Why was the time kept the same?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsMedium ScienceA student asks whether the amount of soap affects foam height. Which factor should be kept the same?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsMedium ScienceIn an experiment light was varied for plants but temperature also kept changing. What is the correct improvement?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHard ScienceWhat are the factors kept constant in an experiment called?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceMedium