Across
- 2. power
- 3. book
- 5. against
- 7. time
- 9. part of a star
- 12. light
- 14. plan
- 16. the study of life
- 17. the study of earth, rocks
- 19. to sign one's own name
Down
- 1. used to put you to sleep
- 4. to know
- 6. movement
- 8. one who loves water
- 10. to share feelings with others
- 11. one who teaches, especially medicine
- 13. to hear from far away
- 15. together, with
- 18. color
- 20. water