Chapter 7 & 8 Crossword

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Across
  1. 4. Percent of ocean covered in ice
  2. 6. Horizontal lines around the Earth
  3. 7. 1 Nautical mile per hour
  4. 11. Largest ocean
  5. 12. Why stars twinkle
  6. 13. Continent of the south pole
  7. 16. What year did the UN establish major boundaries
  8. 20. All countries south of Panama
  9. 22. Vertical lines around the Earth
  10. 23. Second largest ocean
  11. 25. Star explosion
  12. 27. How many years did it have to rain to make the oceans
  13. 28. Nebula
Down
  1. 1. Most accurate representation of Earth's features
  2. 2. How many years ago did he Earth form
  3. 3. Percent of land covered in ice
  4. 5. Smallest ocean
  5. 8. Another word for longitude
  6. 9. Red giant
  7. 10. Includes United States and Mexico
  8. 14. Smallest continent
  9. 15. Imaginary line which the Earth rotates around
  10. 16. Percent of Earth covered in ice
  11. 17. 1 Degree
  12. 18. Release of a gas
  13. 19. First organisms on Earth
  14. 21. Earth belongs to which galaxy
  15. 24. Warmest ocean
  16. 26. Another word for latitude
  17. 27. Degrees in between each meridian