chapter 7 & 8 crossword

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Across
  1. 4. Make up everything in the universe
  2. 8. Earth divided into 4 sections
  3. 9. times How much further does sound travel in water
  4. 10. Single land mass that includes Indonesia, Philippines
  5. 11. Covers 1/10th of the earth
  6. 12. Bordered by the Indian ocean to the east
  7. 14. How are ocean depths measured today
  8. 18. m yrs How long it rained to create the oceans
  9. 20. Smallest continent
  10. 21. to five b yrs when earth formed
  11. 23. 4 1/2 is covered in ice
  12. 25. yrs How long accretion lasted
  13. 26. ocean Largest ocean
  14. 27. ocean The warmest ocean and the trade route from Africa to Asia
  15. 29. america Includes all countries south of panama
Down
  1. 1. What planet used to have a magnetic field
  2. 2. What type of element sank towards earth surface
  3. 3. connected Are all ocean basins connected
  4. 5. Deepest points on earth
  5. 6. How do you measure longitude
  6. 7. First organism on earth
  7. 12. ocean Second largest ocean, connects the polar waters
  8. 13. Continent of the south pole
  9. 15. energy Why do stars twinkle
  10. 16. sea The saltiest sea
  11. 17. way The galaxy earth orbits in
  12. 19. ocean The smallest and coldest ocean
  13. 22. 5 1/2 is covered in ice
  14. 24. Bang Theory What event occurred 15 b. yrs ago
  15. 28. america Continent that includes, USA,Mexico,Canada