Across
- 3. primary reference line latitude
- 4. release of volatile substances and water vapor
- 9. term of tradition
- 11. star swelling turns into
- 13. why stars twinkle
- 14. warmest ocean
- 15. where is the international date line
- 16. all oceans are connected
- 17. massive spheres of incandescent gas
- 19. distorts the continents
- 23. lasted 50-70 million years
- 24. largest ocean
- 25. imaginary line running along 180 degree meridian
- 26. half
- 28. major shipping ocean
- 30. meridians
Down
- 1. catastrophic explosion
- 2. chemical element that makes up planets, stars, oceans, etc.
- 5. smallest ocean
- 6. established boundaries of oceans and continents
- 7. 4.5% covered in ice
- 8. used in most classrooms
- 10. a typical star
- 12. smallest continent
- 18. Africa, Antarctica, Australia, Eurasia, NA,SA
- 20. big bang theory happened
- 21. parallels
- 22. covers 10% of earths surface
- 27. meridian reference line longitude
- 29. 5.5 covered in ice