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Class 9 · Science
→If the answer to a question changes with personal preference what is needed to make it scientific?
Class 9 · Science
→An observation states that an object's mass is about ten grams. What should be done for greater precision?
Class 9 · Science
→Which statement correctly describes the relationship between observation and conclusion?
Class 9 · Science
→A student compared two plants but measured one in the morning and the other in the evening. What is the problem?
Class 9 · Science
→What problem arises if a scientific question does not state how the outcome will be measured?
Class 9 · Science
→A student records bird numbers only on clear-weather days. What limitation will affect the conclusion?
Class 9 · Science
→Why must a scientific question be ethically investigable?
Class 9 · Science
→What is the importance of obtaining similar results in repeated observations?
Class 9 · Science
→How can an observation of sound be made more scientific than simply writing loud or soft?
Class 9 · Science
→A student read liquid volume while viewing above eye level. Which error may occur?
Class 9 · Science
→Which question is better answered by a controlled experiment rather than observation alone?
Class 9 · Science
→Why is using a colour chart useful when recording an object's colour?
Class 9 · Science
→What problem may occur if an observation is recorded later only from memory?
Class 9 · Science
→A student observed that flowers opened in the morning and closed in the evening. Which next question is most scientific?
Class 9 · Science
→A scientific question asks about the effects of three factors at once. How can it be improved?
Class 9 · Science
→Which observation is the most objective?
Class 9 · Science
→Some daily values are missing from an observation table. What should be done before drawing a conclusion?
Class 9 · Science
→In which scientific question is specifying a time period necessary?
Class 9 · Science
→The same leaf appears to have different colours under different lighting. What should be done for objective observation?
Class 9 · Science
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