Across
- 1. class
- 3. polluted
- 6. swimming
- 8. homework
- 9. fitness
- 10. everywhere
- 11. graffiti
- 13. to manufacture or make
- 15. food
- 18. healthy
- 19. school
- 20. out of season
- 21. noise
- 22. detention
Down
- 1. choir
- 2. clean
- 4. stairs
- 5. to consume
- 7. to turn off
- 12. to economise
- 14. reusable
- 16. to purchase
- 17. dirty