science crossword puzzle🌎

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Across
  1. 1. increasing light
  2. 5. cold shorter days and longer nights
  3. 7. equal days and warmer
  4. 9. shortest day of the year December 21-22
  5. 12. moon passes between sun and earth
  6. 15. all of the moon is visible from Earth
  7. 16. invisible line dividing earth into north and south
  8. 18. earth covers the moon from the sun
  9. 19. 12 hour day and night September 22-23
  10. 20. "dirty snowball"
  11. 21. none of the moon is visible from Earth
Down
  1. 2. large rocks in space
  2. 3. the difference between low tide and high tide is the greatest
  3. 4. "shooting star"
  4. 6. decreasing light
  5. 8. turning or spinning on an axis
  6. 10. longest day of the year June 21-22
  7. 11. the difference between low tide and high tide is the greatest
  8. 13. warmer/hot longer days and shorter nights
  9. 14. 12 hour day and night march 21-22
  10. 15. equal days and cooler weather
  11. 17. moving completely around another object