Across
- 4. Island nation in East Asia known for its technology industry
- 5. Scientific study of celestial objects and the universe
- 7. Study of fundamental nature of knowledge, reality, and existence
- 9. Geological process where one tectonic plate moves under another
- 10. Related to or resembling the moon
- 11. Small rocky body orbiting the sun, mainly found in the asteroid belt
- 12. Step-by-step procedures used in computer programming and mathematics
- 13. Poisoning caused by ingestion of ergot fungus on grains
- 14. Nine-sided polygon
- 15. Subatomic particle that does not undergo strong interactions
- 17. Investigator who solves crimes, often in literature or law enforcement
- 18. Variants of elements differing in neutron number
- 19. Geopolitical region in Southeast Europe with complex history
- 21. Classical Greek philosopher known for his method of questioning
- 22. Major Australian city known for its arts and culture scene
Down
- 1. Calculus process of finding a derivative
- 2. Small blocks of stone or glass used in creating mosaics
- 3. Highest mountain in Africa
- 6. Green pigment essential for photosynthesis in plants
- 8. Orchestra devoted to classical music concerts
- 16. Tall, four-sided, tapering monument ending in a pyramid shape
- 20. Study of earthquakes and the propagation of seismic waves