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Which observation uses a number?

Answer and explanation

Correct answer: The plant is 10 cm tall

Option D gives the number 10 along with the unit cm, so it is a quantitative observation. Describing a flower as fragrant, a liquid as warm, or a stone as rough states a quality without a numerical measurement. Exam tip: An observation that includes a number and a unit is usually quantitative.

Related tags

Quantitative ObservationQualitative ObservationMeasurementScientific ObservationPlant HeightScientific Questions And ObservationsExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary Science

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