Across
- 6. standard for comparison
- 7. factors in an experiment that do not change
- 9. a process that uses a variety of skills and tools to answer questions or to test ideas
- 10. standard system of measurement used worldwide
- 12. any factor that can change in an experiment
- 13. factor whose value depends on the independent variable and is measured in an investigation
Down
- 1. a rule that describes a repeatable pattern in nature
- 2. a possible explanation for an observation that can be tested by scientific investigations
- 3. a visual display of information or data
- 4. factor that is adjusted by the experimenter
- 5. organized procedure for testing hypothesis
- 8. an explanation of observations or events that is based on many experiments
- 9. a process that uses observation and investigation to gain knowledge about events in nature
- 11. a way to display information and data in rows and columns