Across
- 4. a scientist who studies space
- 5. producing strong, clear images in the mind
- 8. in addition to; also
- 10. an arch of colors in the sky after rain
- 13. the quality of being a leader
- 15. existing as an idea, not physical
- 16. having natural talent
- 17. a general idea or thought
- 21. exceptionally good
- 22. to make a liquid flow from a container
Down
- 1. related to or operated by machines
- 2. stable and not changing much
- 3. a tool to see distant objects clearly
- 6. a person who helps someone in their work
- 7. very bright or intelligent
- 9. a mistake or weakness
- 11. to find the origin or development of something
- 12. to change position or direction
- 14. to protect from attack or harm
- 18. definite and real; a building material
- 19. in addition; moreover
- 20. showing love for one's country