Across
- 1. everything is made up of what?
- 6. a general term for a large unenclosed lake
- 7. what are approximately 15 degrees wide?
- 9. what is the major longitude reference line?
- 11. what galaxy is earth in
- 16. the ancient supercontient
- 17. scientist who discovered how to find longitude
- 19. the boundary for north and south america
- 20. major latitude line of reference
- 21. what ocean connects the polar waters?
- 22. what measurements will tell you the sped of a boat?
- 24. how was the earth created
- 27. what ocean borders africa and india
Down
- 2. whats the smallest continent?
- 3. what is a supernova
- 4. who established the major world boundaries?
- 5. what color travels deepest in the ocean?
- 8. what covers 10% of earth?
- 9. what are longatude lines called
- 10. who made a major discovery about stars and galaxy's?
- 12. the smallest organisms in the ocean
- 13. the genaral term for the earths shape
- 14. what happened for 10 million years?
- 15. is the moon moving closer or father?
- 18. the southernmost continent
- 23. both europe and asia
- 25. which ocean is the largest?
- 26. what is only covered in 4.5% ice