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Class 9 · Science · Medium
→Which example involves an observation made using an instrument?
Class 9 · Science · Medium
→Which error is reduced by recording an observation immediately?
Class 9 · Science · Medium
→A student asks whether the amount of soap affects foam height. Which factor should be kept the same?
Class 9 · Science · Medium
→What is the main difference between a scientific observation and an ordinary opinion?
Class 9 · Science · Medium
→Which question shows a clear cause and effect relationship?
Class 9 · Science · Medium
→Two students obtained different measurements of the same object. What is the most appropriate next step?
Class 9 · Science · Medium
→What is the purpose of giving headings in an observation table?
Class 9 · Science · Medium
→Which question investigates a change over time?
Class 9 · Science · Medium
→What should be done when an unexpected observation occurs during an experiment?
Class 9 · Science · Medium
→A student wrote that sugar dissolved quickly in hot water. How can this observation be made more scientific?
Class 9 · Science · Medium
→Why are units used in scientific observations?
Class 9 · Science · Medium
→A question asks how the amount of salt affects the boiling point of water. What is the independent variable?
Class 9 · Science · Medium
→Which action can reduce bias in observation?
Class 9 · Science · Medium
→What problem may occur if the eye is above the thermometer level while taking a reading?
Class 9 · Science · Medium
→Which question includes a measurable outcome?
Class 9 · Science · Medium
→Why is an initial observation useful before forming a scientific question?
Class 9 · Science · Medium
→A student's question asks how far a ball rolls on different surfaces. What is the dependent variable?
Class 9 · Science · Medium
→Which statement gives an inference rather than an observation?
Class 9 · Science · Medium
→What is the benefit of stating variables clearly in a scientific question?
Class 9 · Science · Medium
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