Chapter 7&8

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Across
  1. 4. imaginary lines forming half circles passing from the north pole to the south pole
  2. 7. distorts the continents as little as possible
  3. 9. stars shine because they
  4. 11. half
  5. 12. located in greenwich, england
  6. 18. how stars and planets were formed
  7. 20. stars form in a
  8. 21. massive spheres
  9. 24. map maker
  10. 25. adjusted to allow certain land masses to remain together in the same day
  11. 27. the distance measured in degrees from 0-90 N and S of the equator
  12. 28. 1 nautical miler per hour
  13. 29. nebula spinning skater bringing their arms up
  14. 30. give a two dimensional representation of a three dimensional object
Down
  1. 1. earth and ocean are an indirect result of a
  2. 2. inner material concentrated into
  3. 3. located on the half of the earth south of the equator
  4. 5. protects us from UV rays
  5. 6. reference line drawn around the earth halfway between north and south poles
  6. 8. located on the half of the earth north of the equator
  7. 10. moon provides for
  8. 13. this person suggests that water energy from thermal vents in the sea could have formed complex molecules of life
  9. 14. clumping smaller particles into larger masses
  10. 15. caused massive clouds in upper atmosphere
  11. 16. a typical yellow star
  12. 17. iron sunk to the middle of the plant and lighter minerals migrated to the surface forming the crust
  13. 19. early steps of organisms forming from organic building blocks
  14. 22. the earth rotates daily around the
  15. 23. outer material formed
  16. 26. shrinks under its own weak gravity