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Subjects

Science

Nature and meaning of science

“Nature and Meaning of Science” introduces Class 9 students to science as a systematic way of exploring the natural world, rather than a collection of fixed facts. Within “Exploration: Entering the World of Secondary Science,” students examine how observation, questioning, evidence, measurement, reasoning, experimentation, and communication work together to build scientific knowledge. The topic also highlights curiosity, objectivity, creativity, responsible investigation, and how explanations change when new evidence emerges. It connects science with everyday experiences and prepares learners for inquiry-based study of later concepts.

Medium · Level 2 · 25 questions

Practice questions

01What should a scientific explanation of a natural phenomenon be like?

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02A student measures plant growth every day. Which scientific process does this represent?

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03What is an independent variable in a scientific experiment?

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04What is called the dependent variable in a scientific experiment?

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05Why is recording errors important in science?

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06Which characteristic of scientific knowledge is correct?

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07What does it mean when a result is reproducible?

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08Why are models used in science?

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09Which is the best example of a scientific question?

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10What is the positive meaning of scepticism in a scientific attitude?

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11What is one advantage of using a larger sample in a scientific study?

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12Why is recording date and time useful in scientific records?

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13What does peer review mean in science?

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14What effect can scientific discoveries have on society?

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15Why is ethics important in science?

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16If two scientists obtain different results what is the appropriate next step?

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17Why is it important to distinguish between causation and correlation in science?

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18Why are precise terms used in scientific language?

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19What are the factors kept constant in an experiment called?

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20What is the role of imagination in scientific discovery?

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21Why is the method described in a scientific report?

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22What is the broadest purpose of studying science?

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23Why is an initial assumption not immediately accepted as true in a scientific investigation?

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24What is the best way to make a scientific observation more accurate?

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25Why is it necessary to state the limitations of a conclusion in science?

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