Across
- 4. systematic investigation in order to establish facts.
- 5. anyting that can change during an experiment.
- 6. - set of steps set up to watch for change.
- 7. a way to answer a question.
- 9. a summary of the hypothesis and if it's true.
Down
- 1. an educated guess.
- 2. carefully watching for changes
- 3. facts collected to help answer a question.
- 8. variable the thing that does NOT change during an experiment.