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Class 9 Science Exploration: Entering the World of Secondary Science Hypothesis and experimentationExpert

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A student tests the effect of temperature on sugar dissolving time but uses fine sugar in hot water and large crystals in cold water. What is the main problem?

Answer and explanation

Correct answer: Sugar particle size has become a confounding variable

Particle size can also affect dissolving time. Keep sugar particle size constant to isolate the effect of temperature.

Related tags

Confounding-Variable Sugar-Particle-Size Temperature Dissolving Hypothesis And Experimentation Exploration: Entering The World Of Secondary Science Exploration Entering The World Of Secondary Science Science

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