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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 3 · 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. When it is answered only by opinion
  2. When it can be tested by observation or experiment
  3. When it is very long
  4. When its answer is predetermined
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  1. Consistency of the result
  2. Personal bias
  3. Weakness of guessing
  4. Uselessness of the instrument
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  1. A fact is supported by evidence
  2. An opinion is always experimentally proven
  3. A fact changes from person to person
  4. Both are the same
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  1. Dissolve equal amounts of sugar at two different temperatures
  2. Observe only hot water
  3. Ask a friend's opinion
  4. Write the result beforehand
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  1. Recorded data obtained from an experiment
  2. A person's belief
  3. An old story
  4. Information without a source
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  1. It can reveal weaknesses in the method and suggest improvements
  2. It proves all science wrong
  3. It provides no information
  4. It should always be hidden
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  1. A hypothesis is an initial testable idea while a conclusion is based on results
  2. Both are only guesses
  3. A conclusion is written before the experiment
  4. A hypothesis is the final truth
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  1. Scientific honesty
  2. Bias
  3. Carelessness
  4. Superstition
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  1. Observation is directly obtained information while inference is its interpretation
  2. Both are only imagination
  3. Inference is measured with an instrument
  4. Observation is always wrong
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  1. The plant is sad
  2. The leaves are drooping
  3. The plant is visible
  4. The leaves are green
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  1. To make comparison and analysis easier
  2. To hide results
  3. To end the experiment
  4. To change data
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  1. To show relationships between variables
  2. Only to decorate a page
  3. To hide results
  4. To create questions
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  1. Thermometer
  2. Balance
  3. Measuring cylinder
  4. Stopwatch
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  1. Stopwatch
  2. Thermometer
  3. Metre scale
  4. Beaker
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  1. It is more accurate and verifiable
  2. It is always completely error-free
  3. It is obtained without an instrument
  4. It is based on personal opinion
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  1. Question hypothesis testing results conclusion
  2. Conclusion question experiment guess
  3. Experiment conclusion question data
  4. Answer belief question tradition
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  1. Extraneous variable
  2. Conclusion
  3. Law
  4. Observation
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  1. Controlled variables
  2. Independent variable
  3. Dependent variable
  4. Result
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  1. Height of the plants
  2. Type of soil
  3. Daily amount of water given to the plants
  4. Duration of light received by the plants
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  1. Type of soil
  2. Plant height
  3. Number of leaves
  4. Time of measurement
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  1. Being willing to change ideas when new evidence appears
  2. Accepting every claim immediately
  3. Never changing one's idea
  4. Accepting conclusions without testing
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  1. Under the same conditions conclusions can apply everywhere
  2. It applies only to one country
  3. It depends on a person's language
  4. It is only for scientists
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  1. Examine its evidence and testing
  2. Check its popularity
  3. Accept it without questioning
  4. Look only at the author's name
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  1. Confirmation bias
  2. Accurate measurement
  3. Fair testing
  4. Reproducibility
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  1. Controlled testing and sufficient evidence
  2. Only two events occurring together
  3. One person's opinion
  4. A one-time coincidence

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