earth

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Across
  1. 1. this is less dense than oceanic crust
  2. 3. this happens in march
  3. 5. this is when the earth "wobbles"
  4. 9. the speed needed to escape earths gravity
  5. 12. this is tilted at 23.5 degrees
  6. 13. this is shorter than sidereal day
  7. 15. this is what the earth does around the sun
  8. 16. this happens in september
Down
  1. 2. close to the sun
  2. 4. this is denser than continental crust
  3. 6. this means equal night
  4. 7. day this is longer than solar day
  5. 8. farther from the sun
  6. 10. this is one of the main elements of earth
  7. 11. this is what encases the earth
  8. 14. this is what makes up the "middle" of the earth