Day and night

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Across
  1. 4. sunlight at midnight
  2. 5. move
  3. 7. time taken for Earth around the Sun
  4. 9. P.M
  5. 11. combination of temperature, cloudiness, wind
  6. 15. helps the earth warm
  7. 17. time taken from day to day
Down
  1. 1. flowers bloom and trees are growing
  2. 2. hottest temperature
  3. 3. pattern that happens again and again
  4. 6. doesn't move
  5. 8. daylight becomes noticeably shorter and the temperature cools considerably
  6. 10. mini model of earth
  7. 11. snowy
  8. 12. earth goes spin in
  9. 13. earth's order in solar system
  10. 14. cause of day and night
  11. 16. a lot of light