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Class 9 · Science
→Which result would suggest that the hypothesised effect may be very small?
Class 9 · Science
→In which situation can a blind test reduce bias?
Class 9 · Science
→If the smallest ruler division is one centimetre what limitation exists when comparing millimetre level differences?
Class 9 · Science
→Which hypothesis states a causal claim most cautiously?
Class 9 · Science
→A student tests whether container width affects evaporation. Which controlled variable is most essential?
Class 9 · Science
→In which situation will repetition improve reliability but not validity?
Class 9 · Science
→An experiment had five trials but the student recorded only the average and did not retain the original values. What is the main limitation?
Class 9 · Science
→In which experiment would random sample selection be most useful?
Class 9 · Science
→Which conclusion generalises beyond the available evidence?
Class 9 · Science
→If one group is observed in the morning and the other in the evening what problem may arise?
Class 9 · Science
→A student records the temperature immediately after placing a thermometer in a liquid. Why may the result be incorrect?
Class 9 · Science
→What is the purpose of calibration in an experiment?
Class 9 · Science
→Under which condition is it most appropriate to call a hypothesis unsupported?
Class 9 · Science
→The plant type differs between a control group and a treatment group. What is the most likely effect?
Class 9 · Science
→If an experimental procedure is too vague for another student to repeat it in the same way which quality is affected?
Class 9 · Science
→Which hypothesis allows the clearest testable prediction?
Class 9 · Science
→In an experiment pot size also changes while water amount is varied. What is pot size called?
Class 9 · Science
→If an experiment has a sample size of only one what is the main limitation?
Class 9 · Science
→A student hypothesises that more fertiliser will increase plant growth. Which result would provide the strongest support?
Class 9 · Science
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