Mikayla's Earth, Sun & Moon Crossword

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Across
  1. 2. what keeps us grounded
  2. 3. the imaginary line that runs thought earth from the north to south pole
  3. 4. the curved path around the Earth
  4. 9. this causes the seasons and is approximately 23.5 degrees
  5. 12. the phase of the moon when it first appears
  6. 13. the Earths path around the sun
  7. 15. when the Moon is directly behind the Earth
  8. 17. half of its surface is shown
  9. 18. having the illuminated part greater than a semicircle and less than a circle.
Down
  1. 1. the curved sickle shape of the waxing or waning moon
  2. 5. an eclipse in which the sun is obscured by the moon.
  3. 6. is in the process of increasing how much of it is lit
  4. 7. there is 12 a year
  5. 8. makes it light when it is dark
  6. 10. 4 stages of the earth
  7. 11. when its whole surface is shown
  8. 14. shines bright
  9. 16. has a progressively smaller part of its visible surface illuminated so that it appears to decrease in size