Across
- 2. having value; important or useful
- 4. to go back or give back
- 7. not as good; more bad
- 9. to look for something
- 11. the need or feeling to drink water
- 14. a class or series of lessons
- 15. Earth; the place where we live
- 18. to get new knowledge or skills
Down
- 1. happening now; present
- 3. clean and not mixed
- 4. to save information or sounds
- 5. hurting or painful
- 6. the number 13
- 8. a game or activity with exercise
- 10. before the usual time
- 12. to make better or heal
- 13. to be on fire or feel very hot
- 15. old or used a lot
- 16. not clean
- 17. a flat piece of wood