Across
- 2. clock,watch
- 4. window
- 6. pen
- 9. library
- 11. eraser
- 12. table
- 14. stadium
- 15. map
- 17. laboratory
- 18. wall
- 19. chair
- 21. calculator
Down
- 1. backpack
- 3. door
- 5. desk
- 7. bookstore
- 8. chalk
- 10. cafeteria
- 13. wastebasket
- 16. blackboard,whiteboard
- 18. paper
- 20. book