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Science

Variables in an experiment

In Class 9 Science, within “Exploration: Entering the World of Secondary Science,” students learn how variables shape a scientific experiment. They distinguish the independent variable that is deliberately changed, the dependent variable that is measured, and controlled variables kept constant for a fair test. The topic develops skills in planning investigations, recording observations, comparing results, identifying patterns, and drawing evidence-based conclusions while recognising sources of error.

Expert · Level 1 · 1 questions

TOPIC PRACTICE

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  1. Several variables were changed at the same time
  2. It became impossible to measure the dependent variable
  3. The control variables remained constant automatically
  4. All plants received identical conditions

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