1. Which of the following is NOT agoal of science? A. to investigate and understand the natural world B. to explain events in the natural world C. to use data to support a particular point of view D. to use derived explanations to make useful predictions
2. Information gathered from observing a plantthat grows 3 cm over a two-week period results in A.inferences. B. variables C. hypotheses. D. data.
3. Which of the following is NOT a way thatscientists generate hypotheses? A. using informed, creative imagination B. using logical inference C. using prior knowledge D. using a feeling about what should occur
4. Scientific hypotheses must be proposedin a way that A. ensures that an experiment will be valid. B. enables them to be proved valid. C. enables them to be tested. D. doesn’t contradict previous hypotheses.
5. A controlled experiment allows thescientist to isolate and test A. conclusion. B. a mass of information. C. several variables. D. a single variable.
6. The ability to reproduce results is animportant part of any A. hypothesis. B. theory. C. Law D. experiment.
7. A theory A. is always true. B. is the opening statement of an experiment C. may be revised or replaced. D. is a problem to be solved.
8. The amount of light and temperature areexamples of A.factors necessary for life. B. methods of energy production. C. factors to which living things respond. D. factors that affect reproduction.
9. The work of scientists begins with A. testing a hypothesis. B. creating experiments. C. careful observations. D. drawing conclusions.
10. Hypotheses may arise from A. prior knowledge. B. imaginative guesses. C. logical inferences. D. all of the above
11. A controlled experiment allows thescientist to isolate and test A. conclusion. B. several variables. C. a mass of information. D. a single variable.
12. Scientists publish the details ofimportant experiments so that A. their work can be repeated. B. their experimental procedures can be reviewed. C. others can try to reproduce the results. D. all of the above
13. A well-tested explanation that unifies abroad range of observations is a(an) A.hypothesis. B. inference. C. theory. D. controlled experiment.
14. The statement ‘the worm is2cm long’’ is a A. Quantitative observation B. Qualitative observation C. Inference D. Hypothesis
15. An inference is A. The same as an obseration. B. A logical interpretation of an observation. C. A statement involving numbers. D. A way to avoid bias.
16. To be useful in science, ahypothesis must be A. Measurable B. Observable C. Testable D. Correct
17. A scientific theory is A. Another word for hypothesis. B.A well-tested explanation that unifies a broad range of observation. C. The same as the conclusion of an experiment. D. The first step in a controlled experiment.
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