Across
- 3. The place beyond Earth
- 4. A school lesson
- 8. Use badly or throw away
- 9. Go from one place to another
- 11. Cannot see
- 14. New and up‑to‑date
- 15. Study of the past
- 16. Time that will come
- 17. Very big sea
- 21. The gas we breathe
- 22. The world around us
- 23. Solid ground, not sea
- 24. Material from trees
- 25. The main city of a country
- 26. Gather things together
- 27. Keep safe
- 28. Not safe
- 29. From another country
Down
- 1. A machine that can do work
- 2. A short note or information
- 3. Study of nature and facts
- 5. A person who goes to space
- 6. A nation with its own government
- 7. Just and honest
- 10. Make better
- 11. A tall house or place
- 12. Facts and knowledge
- 13. A book for looking up words
- 18. The whole earth
- 19. Make a new thing
- 20. What we learn
- 25. A science about substances