Across
- 2. a lot
- 5. in a small amount
- 8. outside
- 9. not clean
- 12. not in danger
- 15. the hard part of Earth
- 17. someone who makes buildings
- 20. to clean
- 21. being very fun
- 22. to stop the power
Down
- 1. to change to something else
- 3. also
- 4. inside
- 5. to get new facts by studying
- 6. to make something
- 7. to make someone feel bad
- 10. have to
- 11. a room you work in
- 13. one more time
- 14. to get something
- 16. the work you do to get money
- 18. things you throw away
- 19. the activity of using things again
- 22. to do something for a reason