Vocab

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Across
  1. 4. The phase when the moon appears like a crescent shape
  2. 8. The spinning of an object on its axis
  3. 13. The motion of an object around a point
  4. 14. The phase when the moon appears like an oval-to-round shape
  5. 15. The shape of the illuminated portion of the moon as seen by an observer
  6. 18. One complete orbit made by a planet or satellite around another object
Down
  1. 1. A series of events that are repeated in the same order consistently
  2. 2. an invisible line around which an object rotates or spins around another object
  3. 3. The phase where half of the moon is illuminated
  4. 5. The phase when the moon is not visible
  5. 6. One of four periods of the year (spring, summer, autumn/fall, and winter)
  6. 7. When the moon is getting darker, less visible
  7. 9. The path that one object in space takes around another object in space
  8. 10. The phase when the moon appears fully illuminated
  9. 11. A dark area made from blocking light from reaching a part of the surface
  10. 12. When the moon is getting brighter, more visible
  11. 16. the rising and falling of the sea do to the movement of the moon and sun
  12. 17. a sloping position