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Which instrument would measure temperature while testing its effect on germination?

Answer and explanation

Correct answer: Thermometer

The governing concept is matching an instrument to the physical quantity being measured. Temperature describes how hot or cold a system is, and a thermometer is designed to detect and display it on a scale such as degrees Celsius. In this investigation, temperature may be deliberately changed or controlled, while germination could be assessed by measuring time, percentage of seeds sprouted, or another defined outcome. Option A is therefore correct. A stopwatch measures time, a balance measures mass, and a measuring cylinder measures liquid volume; none directly measures temperature. Selecting the correct apparatus makes the investigation valid and repeatable.

Related tags

ThermometerTemperatureGerminationExperimental-ApparatusHypothesis And ExperimentationExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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