Search questions
Use text search or combine filters to find exactly the questions you need.
Class 9 · Science
→Why is it necessary to state the amount of uncertainty in scientific knowledge?
Class 9 · Science
→If a new version of a scientific theory explains all earlier successful predictions as well as new evidence what is its advantage?
Class 9 · Science
→In a scientific dispute one side presents more studies but the other side has stronger studies. Which should receive priority?
Class 9 · Science
→A study showed a clear benefit but did not measure harms. What is the most appropriate conclusion?
Class 9 · Science
→If a claim is supported only by computer simulation with no real observations what limitation remains?
Class 9 · Science
→Participants changed groups during a study. Which interpretation becomes difficult?
Class 9 · Science
→A scientific conclusion says that the evidence proved the hypothesis. Which statement is more appropriate?
Class 9 · Science
→If a result appears only with one highly specific instrument and not with others what should be examined?
Class 9 · Science
→A researcher defined data exclusion criteria before starting the study. What is the main benefit?
Class 9 · Science
→If evidence for and against a claim is of similar quality how should the scientific conclusion be framed?
Class 9 · Science
→If a control group did not receive the treatment but received more attention which factor may affect the outcome?
Class 9 · Science
→Adding a new variable to a scientific model improves the fit to old data but the variable cannot be measured. What is the concern?
Class 9 · Science
→A conclusion is accepted by many experts but the original data are unavailable. What is the most appropriate evaluation?
Class 9 · Science
→A scientific report provides all data but omits the units of variables. What is the main problem?
Class 9 · Science
→If a scientific question cannot be tested by a controlled experiment for ethical reasons what is the best alternative?
Class 9 · Science
→A scientist labelled an opposing result as measurement error without investigation. What is the correct scientific step?
Class 9 · Science
→If all supporting studies are small while larger studies show no effect what should be examined?
Class 9 · Science
→A study finds a very small effect using highly precise measurements. Which conclusion is appropriate?
Class 9 · Science
→Studies supporting a scientific conclusion were conducted under very similar conditions. What kind of test would be most useful next?
Class 9 · Science
→