Across
- 2. amount of ocean covered in ice
- 3. largest ocean
- 6. smallest, coldest, also known as northern sea
- 8. what galaxy is earth in
- 10. when earth was formed
- 13. increased brightness because of explosion
- 14. warmest and trade route between africa and asia
- 16. release of gas and vapor
- 17. how long did accretion last
- 18. how many billion years did it rain for oceans to form
- 20. greenwich, england
- 21. austrailia is the in size
- 22. large body of water
- 25. second largest ocean
- 28. makes maps
- 29. cloud of gas and dust
- 30. why stars twinkle
Down
- 1. cold water sinks hot water rises
- 4. north to south pole
- 5. 1.15 mph
- 7. imaginary line earth rotates
- 9. ice covers one/ of the earth
- 11. half sphere
- 12. first organisms on earth
- 15. navigate without previous calculations
- 19. imaginary parallel circles
- 23. why earth can support life
- 24. high light, low temp
- 26. what caused it to rain
- 27. 2025yds