Across
- 1. the variable that is purposely changed
- 4. a descriptive generalization about how some aspect of the natural world behaves under stated circumstances.
- 9. an explanation of some aspect of the natural world that can incorporate facts, laws, inferences, and tested hypotheses.
- 10. the variable that is being measured and responds to the change in the independent variable
- 11. In science, an observation that has been repeatedly confirmed and for all practical purposes is accepted as “true.” Truth in science, however, is never final and what is accepted as a fact today may be modified or even proved wrong tomorrow.
Down
- 2. a prediction that the manipulated variable will have no effect on the responding variable
- 3. determination of whether the hypothesis should be accepted or rejected
- 5. variables that do not change throughout the experiment, sometimes known as a “control variables”
- 6. a proposed explanation of how the natural world works that can be tested by the scientific method, revised, and retested. 2. a prediction of whether the independent variable will have an effect on the dependent variable
- 7. a conclusion reached on the basis of evidence and reasoning
- 8. a method of procedure using observation, measurement, experimentation, and the creation, testing, and revising of hypotheses