Across
- 3. matter cannot be created nor destroyed
- 7. an educated guess based on reason and prior knowledge
- 8. cannot be undone
- 10. the metric system, used world-wide
- 11. can be undone
- 14. the outcome of a chemical reaction
Down
- 1. the things need to start a chemical reaction
- 2. what you think may happen
- 4. the process of learning about science
- 5. way to learn about science
- 6. makes up the entire universe
- 9. expanding and fast moving
- 10. keeps it original shape
- 12. the study of the natural world
- 13. fluid and flowing
- 15. information gathered during an experiment