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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।

SciencePlants are grown in four soil types but each soil receives a different amount of water. What should be done to isolate the effect of soil type?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12Hard ScienceFour plants receive (50,mL), (100,mL), (150,mL) and (200,mL) of water respectively. How many levels of the independent variable are present?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 11Hard ScienceWhen testing the effect of light what type of decision is giving the same amount of water to all groups?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9Expert ScienceIn an experiment the amount of water was increased along with temperature. Why did the result become difficult to interpret?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9Expert ScienceWhich factor is most important to control in an experiment on the effect of light on a plant?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12Medium ScienceThe amount of water given to seeds is changed and seedling length is measured. Which is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 11Medium ScienceWhich option classifies a variable incorrectly?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 10Medium ScienceWhich factor should be a controlled variable in an experiment on soil type?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 10Medium ScienceA student uses both different seed types and different amounts of water. What is the main problem?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 10Medium ScienceIf water amount also changes while testing the effect of fertiliser on plant growth what will water amount become?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 10Medium ScienceWhich factor should be kept the same in a fair investigation of the effect of light?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 10Medium ScienceIf every group in an experiment receives a different amount of water and a different amount of fertilizer what is the main problem?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Expert ScienceWhat will the experiment be like if both water amount and light are changed?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 11Easy ScienceHow should the amount of water be kept while testing the effect of light on a plant?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 11Easy ScienceA student gives different amounts of water and measures the time taken for seeds to sprout. What is the amount of water?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 10Easy ScienceIn an experiment on the effect of water on plants what type of variable is the amount of water?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 10Easy ScienceIn which experiment is a large sample size most necessary to handle natural variation?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 7Expert ScienceIn an experiment pot size also changes while water amount is varied. What is pot size called?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 7Expert ScienceAn investigation finds that plants receiving more water were taller. What conclusion cannot be drawn from this relationship alone?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9Hard ScienceA student tested seed germination at different temperatures but gave different amounts of water to each group. Why will interpretation be difficult?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Hard