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Class 9 Science Exploration: Entering the World of Secondary Science Scientific questions and observationsHard

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How can an observation of sound be made more scientific than simply writing loud or soft?

Answer and explanation

Correct answer: By recording a value with a sound level meter

Measuring sound level with an instrument makes the observation quantitative and comparable. Choose suitable measurement methods.

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Sound Observation Measurement Instrument Quantitative Data Scientific Questions And Observations Exploration: Entering The World Of Secondary Science Exploration Entering The World Of Secondary Science Science Class 9 Mcq

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