Across
- 3. proof
- 5. give reasons for, fight
- 7. an educated guess
- 8. solve using math
- 11. come closer
- 12. using science to find something out
Down
- 1. very angry
- 2. correct
- 3. say
- 4. working by itself
- 5. change
- 6. lines separating things
- 9. every year
- 10. make something happen