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

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A student observed that ice melted faster after salt was added. Which question is most suitable for a fair test?

Answer and explanation

Correct answer: How does the amount of salt affect melting time for equal masses of ice?

This question keeps ice mass equal while measuring salt amount and melting time. Identify elements of a fair test.

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Ice Melting Salt Fair Test 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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