U4 W4 - Why does the Moon Change Shape?

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Across
  1. 1. Turns around
  2. 3. A tool that makes distant objects seem closer
  3. 5. Stages of growth; shapes of the moon at a particular time
  4. 7. A number of related things coming one after another
  5. 8. Exact; precise
Down
  1. 2. A slender, thin piece
  2. 4. The shape of the Moon when you can only see the thin, curved part
  3. 6. An expert who studies the sun, moon, stars, and planets