Moon, Earth, and Sun

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Across
  1. 2. A what last about 3.5 days
  2. 3. A what last about 29.5 days
  3. 7. What side of the moon do we always see
  4. 10. What is the last quarter of the moon phase called
  5. 11. what force is responsible for the earth's revolution
  6. 13. What is the moon called when it's fully lit
  7. 15. The earth's what causes day and night
  8. 16. what is the 4th phase of the lunar cycle
  9. 17. This is the 8th phase in the lunar cycle
  10. 18. Tides are affected by what gravity
  11. 19. How does the moon revolve around the earth
Down
  1. 1. When light is being taken away from the moon
  2. 4. The earth's what causes seasons
  3. 5. When light is being added to the moon
  4. 6. What is the first stage of the lunar cycle called
  5. 8. What occurs when the sun, earth, and moon are in a straight line
  6. 9. The tides are caused by the moons what
  7. 12. The earth spins on its' what
  8. 14. What occurs when the sun, earth, and moon are at a right-degree angle
  9. 20. The moon shines because it does what with the suns light