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