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What is a student doing by noticing a change in the colour of a substance?

Answer and explanation

Correct answer: Making an observation

Directly noticing that the colour of a substance has changed is an observation. Therefore, the student is making an observation. A hypothesis suggests a possible reason for an event, whereas merely seeing the colour change does not yet explain its cause. Exam tip: Information that is directly seen, heard, measured, or sensed is an observation.

Related tags

Science Process SkillsObservationNature Of ScienceColour ChangeClass 9 ScienceNature And Meaning Of ScienceExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary Science

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