Across
- 2. a possible explanation that can be tested by comparison with scientific evidence
- 4. a theory that has been tested many times without contradictions
- 5. the variable you change in an experiment
- 7. the "recipe" of an experiment
- 9. a factor that affects how an experiment works
- 10. describes evidence that can be seen independently by others if they repeat the same experiment or observation in the same way
- 12. describes evidence that documents only what actually happened as exactly as possible.
Down
- 1. a variable that is kept constant during the experiment
- 3. the variable that you are measuring in an experiment
- 6. each time an experiment is tried
- 8. a situation specifically set up to investigate relationships between variables
- 11. a scientific explanation supported by a lot of evidence collected over a long period of time