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Hypothesis

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

ScienceWhich is the most appropriate sequence for a good scientific investigation?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceA student hypothesises that a longer pendulum takes more time. Which prediction follows logically from this hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceWhy is writing the hypothesis before starting the experiment more scientific?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceA student predicts that greater light exposure will increase plant growth. Which improvement is most necessary to make this prediction a scientific hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceA student changed the experimental method after viewing the results and reported only the method giving better results. What problem does this create?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceIn which statement is the difference between a hypothesis and a prediction correctly described?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceWhich hypothesis can be shown false by an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceIn a test only successful trials supporting the hypothesis were recorded while unsuccessful trials were omitted. What type of bias is this?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceA hypothesis states that adding salt raises the boiling point of water. What is the most appropriate independent variable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceA student hypothesizes that more light increases the rate of photosynthesis in an aquatic plant. Which is the best testable prediction?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceWhich option gives the most complete description of the relationship between a hypothesis and an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceWhich hypothesis allows the clearest testable prediction?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceA student says the hypothesis is correct because one trial gave the expected result. What is the most scientific response?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceIf no possible outcome can show that a hypothesis is wrong what is its main weakness?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceWhich data would provide the strongest evidence against a hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceA student hypothesises that a larger surface area increases evaporation. Which result would best support the hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceIf the hypothesis states that increasing salt concentration raises the boiling point of water what will be the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceA student hypothesises that increasing nitrogen in soil will increase leaf area. How should the dependent variable be measured most appropriately?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceWhich statement shows appropriate caution between data and conclusion?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceResults supporting a hypothesis were obtained only at one specific temperature. What should be done before making a broad conclusion?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard