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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 1 · 25 questions

TOPIC PRACTICE

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Up to 25 questions from this page. Select your focus, then start.

25 questions

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  1. Because it is based only on guesses
  2. Because it may be revised when new evidence appears
  3. Because it is unrelated to experiments
  4. Because it is never tested
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  1. Tradition and popularity
  2. Fame and language
  3. Evidence and repetition
  4. Opinion and belief
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  1. Plant height
  2. Type of plant
  3. Amount of soil
  4. Amount of light
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  1. Time taken for sugar to dissolve
  2. Temperature of water
  3. Amount of sugar
  4. Size of container
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  1. To make the result desirable
  2. To limit other influences
  3. To change all factors
  4. To shorten the experiment
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  1. Both are only opinions
  2. Observation gives a cause and inference measures
  3. Observation is direct information and inference is its possible explanation
  4. There is no difference between them
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  1. Writing the conclusion
  2. Announcing the result
  3. Identifying a question or problem
  4. Assuming the answer
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  1. Popularity
  2. Tradition
  3. Personal belief
  4. Evidence and testing
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  1. Collecting facts about phenomena
  2. Drawing conclusions without looking
  3. Only making guesses
  4. Avoiding experiments
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  1. Because scientific laws change daily
  2. Because new evidence and better technology may become available
  3. Because science does not value facts
  4. Because all old conclusions are wrong
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  1. A final proven truth
  2. An experimental instrument
  3. A testable possible explanation
  4. Only a personal wish
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  1. When it can be tested using evidence
  2. When many people believe it
  3. When it is an old tradition
  4. When nobody questions it
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  1. Making the result more reliable
  2. Wasting time
  3. Removing observation
  4. Changing the question
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  1. It motivates questioning and exploration
  2. It stops experiments
  3. It makes evidence unnecessary
  4. It only helps memorise answers
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  1. To test a hypothesis or claim using evidence
  2. To prove a pre-decided conclusion
  3. To hide the experimental results
  4. To remove the scientific question
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  1. An idea without evidence
  2. A broad explanation supported by much evidence
  3. A simple guess
  4. An unchangeable personal belief
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  1. Writing results according to preference
  2. Recording what is actually observed
  3. Selecting only expected results
  4. Repeating what others say
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  1. To clearly determine the effect of that factor
  2. To make the experiment longer
  3. To make all results identical
  4. To reduce data
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  1. Because humans develop knowledge by asking questions
  2. Because only machines do science
  3. Because nature has no role
  4. Because science is complete from birth
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  1. To allow checking and review by others
  2. To keep the experiment secret
  3. To remove evidence
  4. To receive praise only
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  1. Checking medical advice and evidence before taking medicine
  2. Immediately believing a rumour
  3. Deciding a cause without checking
  4. Considering every tradition scientific
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  1. Change the result
  2. Recheck or revise the hypothesis
  3. Hide the experiment
  4. Destroy the data
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  1. A standard unit and suitable instrument
  2. Only estimation
  3. Different units each time
  4. Rounding every result
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  1. To provide a basis for comparison
  2. To change all variables
  3. To hide results
  4. To reduce data
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  1. Drawing valid conclusions from evidence
  2. Declaring imagination as fact
  3. Ignoring data
  4. Repeating old answers only

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