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Scientific Questions And Observations

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

ScienceWhat is the main advantage of increasing sample size in a scientific investigation?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceWhich observation is easiest to verify independently?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceA student recorded plant heights in both centimetres and millimetres. What should be done for correct comparison?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceIf a question can be answered only with yes or no how can it be made more useful scientifically?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 ScienceWhich statement increases the objectivity of a scientific observation?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceWhat is the main purpose of a control group in a scientific question?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceA student wrote that a metal became longer on heating. What should be added to make the statement more scientific?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceWhat is the purpose of keeping the eye at the level of the meniscus while reading liquid volume?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceWhich option makes a scientific question clearer and more focused?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceA student experimented on three plants but planted each in a different type of soil. Why would the conclusion about fertiliser be doubtful?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceWhich observation is the most reproducible?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceWhy is it difficult to draw a conclusion if two variables are changed at the same time in an experiment?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceA scientist wrote that a substance had a strong smell. What is the main limitation of this observation?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceWhich question requires defining a vague word before it can be tested scientifically?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceIf most values in a data set are similar but one value is very different what is the most scientific action?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceA student asks how the amount of water affects the number of leaves on a plant. What is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceWhich statement is an example of bias in observation?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceWhy may recording only the final height be insufficient when testing the effect of fertiliser on plant growth?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceA student recorded liquid temperature every five minutes but used different thermometers. What problem may arise?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard