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Plant Height

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

ScienceOne student records plant height by eye as short or tall. Another measures it in centimeters with a ruler. Why is the second student's dependent variable better?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceA plant's height is measured daily but sometimes from the soil surface and sometimes from the bottom of the pot. What type of problem is this?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceWhile measuring plant growth the student sometimes measured to the highest leaf and sometimes to the top of the stem. What problem occurred?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceIn an experiment on light duration and plant growth what would be the most suitable dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIn which question is the dependent variable clearly defined?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student investigates how light duration affects plant height. What is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIf the amount of light is changed and plant height is measured what is plant height?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceWhich statement is a simple example of a null hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceA student measures plant height at different times each day. What problem may this cause?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceIf the initial heights of plants in two groups are very different what problem will arise?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhich hypothesis states the method of measuring the outcome most clearly?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhich hypothesis also includes a clear time period?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceA student records plant height for five days. What type of variable is time?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceIn which experiment is the dependent variable correctly identified?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhich hypothesis states a clear cause and effect relationship?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhich hypothesis can be measured easily?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceWhich option is an observation rather than a hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceWhich hypothesis is clear and testable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceIf plant height is measured which type of variable is it?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceIf a student changes the amount of water and measures plant height what is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy