Across
- 4. Main body in the solar system
- 5. The biggest asteroid
- 10. Gas to liquid
- 11. Fourth state of matter
- 13. Used for protection from nuclear disasters
- 14. Peak season for typhoons in the Phils
- 15. Liquid to solid
- 16. Scientists who study earthquakes
- 18. First discovered by Rayleigh & Ramsay
- 19. Government agency that monitors typhoons
- 21. Liquid to gas
Down
- 1. Most common component of alloys
- 2. Used as an alternative to Argon in bulbs
- 3. Monitors earthquakes
- 4. Layer that affects the meteors
- 6. Used in making television set
- 7. Solid to liquid
- 8. A rare element with a chemical sym In
- 9. Gas to solid
- 12. Largest rocky celestial bodies in space
- 17. Most widely occurring element on earth
- 20. Widely used in cooking equipment