Chapter 7&8 Crossword

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