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Class 9 · Science
→If two measured outcomes change in opposite directions how should the conclusion be written?
Class 9 · Science
→An instrument was replaced during a long-term observation. What should be done before comparing old and new data?
Class 9 · Science
→In which scientific question is specifying the observation location especially necessary?
Class 9 · Science
→One of five observational values is very different from the others. What is the scientifically correct step?
Class 9 · Science
→If an observer knows the expected outcome of a study what is the best precaution?
Class 9 · Science
→A question includes a natural phenomenon and its possible cause. What should be the first scientific step?
Class 9 · Science
→An observer described animal behaviour as good or bad. Why is this a weak scientific observation?
Class 9 · Science
→A student observed that ice melted faster after salt was added. Which question is most suitable for a fair test?
Class 9 · Science
→Two groups observed the same event but used different terminology. What should be done before combining their data?
Class 9 · Science
→A scientific question requires data but the event is very rare. Which method would be useful?
Class 9 · Science
→If an observation states that a metal is very heavy how should it be improved scientifically?
Class 9 · Science
→A student recorded only the result that matched the hypothesis. What scientific problem is this?
Class 9 · Science
→Plant height was measured from different starting points in an observation. What problem will this create?
Class 9 · Science
→Which scientific question is better answered through long-term observation rather than a direct experiment?
Class 9 · Science
→A student measured temperature for five consecutive days but at different times. What improvement is needed for daily comparison?
Class 9 · Science
→If only large plant species are recorded while counting species in an area what bias will occur?
Class 9 · Science
→A research question asks whether urban noise affects student concentration. How can concentration be operationalised?
Class 9 · Science
→A natural event can be observed only when it occurs unexpectedly. What can improve data quality?
Class 9 · Science
→Several dependent outcomes are being measured in one investigation. What should be done in the scientific plan?
Class 9 · Science
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