Crossword creation

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Across
  1. 4. the surface area of the Moon that you see is decreasing and the shape of the lit-up part of the Moon looks like a hump-back.
  2. 6. when the moon is completely black
  3. 7. the area illuminated on the surface of the Moon makes the shape of a crescent
Down
  1. 1. eighth and final phase in the cycle of phases
  2. 2. between a half moon and full moon.
  3. 3. rises around midnight and sets around noon.
  4. 5. when the moon is completely white