Nature of Science / Mechanical Energy
Quiz by Robert Stephenson
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20 questions
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- Q1The one factor in an experiment that is purposely changed to test a hypothesis. The "If..." part of a hypothesis.Independent Variable30s
- Q2The factor in an experiment that may change in response to the independent variable. It is the factor that is measured.Dependent Variable30s
- Q3An attempt by other scientists to conduct the same experiment.Replication30s
- Q4Repeating trials in an experiment to confirm findings and to control for errors.Repetition30s
- Q5A testable answer to a scientific question, phrased as an "If...then..." statement.Hypothesis30s
- Q6Data that deals with numbers or amounts.Quantitative Observations30s
- Q7Data that deals with descriptions that cannot be described in numbers.Qualitative Observations30s
- Q8An error in the design of an experiment.Bias30s
- Q9A well-tested explanation for a range of observations and results. Theories explain WHY we see what we see.Scientific Theory30s
- Q10A statement that describes a pattern in nature, but does not explain why it happens. Laws explain WHAT we see.Scientific Law30s
- Q11Data gathered through scientific observation.Empirical Evidence30s
- Q12In an experiment, the group that is not exposed to the treatment; contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment.Control Group30s
- Q13Factor in an experiment that a scientist purposely keeps the sameControlled Variable30s
- Q14Ability of a test to measure what it is supposed to measure and to predict what it is supposed to predictValidity30s
- Q15Getting the same measurement each timeReliability30s