How Does Earth Move in Space?

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Across
  1. 3. Vertical imaginary line through middle of Earth
  2. 5. 365 _____ for the Earth to travel around the Sun
  3. 6. The number of different ways Earth moves
  4. 8. Movement of the Earth around the Sun
  5. 10. Shadows from the sun are _____
  6. 12. Alternation between _____ and Day
  7. 15. Our home planet
  8. 16. _____ on the ground are created as the sun moves around in the sky
  9. 18. Spinning motion of a planet
Down
  1. 1. The Sun rises in the _____
  2. 2. Earth's rotation results in observable _____
  3. 4. Star that a planet orbits
  4. 7. Synonym of fixed path
  5. 9. The Sun sets in the _____
  6. 11. Shadows were used to tell _____ in the past
  7. 13. One full rotation of the Earth is 24 _____
  8. 14. Horizontal imaginary line that divides planet to Northern and Southern hemisphere
  9. 17. Alternation between Night and _____