Across
- 6. An experiment is reproduced by another person with a goal of obtaining similar results.
- 8. The methodical examination of phenomena or behavior, which is carried out to obtain reliable, unbiased data.
- 9. The one factor in a scientific investigation that is deliberately manipulated by the person experimenting (test variable).
- 10. Observations, measurements, and other types of data that is collected to test and evaluate scientific explanations.
- 11. The factors in an experiment that remain the same.
- 12. Multiple sets of data from numerous trials, usually conducted by one person.
Down
- 1. The group in a experiment that is used for comparison--the independent variable is not changed.
- 2. The use of words to describe what is observed in an investigation or experiment.
- 3. A testable prediction, idea, or explanation that leads to scientific investigation.
- 4. The measured factor that is the direct result of the manipulation of the independent variable (outcome variable).
- 5. The group in an controlled experiment used to study relationships among variables by changing the independent variable.
- 7. The use of numbers to describe what is measured in an investigation or experiment.