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Hypothesis And Experimentation

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

ScienceA student recorded only the results that supported the hypothesis. This is an example of which problem?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhich is the best method of recording experimental data?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceIf different groups record length in different units what should be done before comparison?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhat problem may occur if a thermometer reading is recorded before it becomes stable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceA measuring cylinder was kept tilted during an experiment. What type of problem will this cause?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhat would be a suitable measure of the dependent variable in an evaporation experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceIf the hypothesis states that surface area affects evaporation what should be changed?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhich conclusion stays within the limits of experimental data?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhat should be done if one value is very different from all other results?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceA student tested fertiliser on only one plant. What should be done to make the conclusion more reliable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhat is the main benefit of writing the experimental method clearly?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhich factor should be kept the same when comparing germination of large and small seeds?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceA student hypothesises that larger seeds will germinate faster. What is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhat would be an appropriate control in an experiment on exercise and pulse rate?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceIf a student tests the hypothesis that exercise increases pulse rate what should be measured?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceIn which experiment is a control group most necessary?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceInitial and final plant heights were recorded in an experiment. How will growth be determined?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceIn which situation is calculating an average most appropriate?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhich quality improves when an experiment is repeated several times?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhy is it necessary to identify risks before starting an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium