Astronomy Project Crossword

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Across
  1. 3. MAIN cause of tides on Earth
  2. 5. Full and New Moon
  3. 7. occurs during a full moon (Night time)
  4. 8. 1st and 3rd quarter moon
  5. 10. The movement of the earth around the sun, 1 year
Down
  1. 1. Getting Bigger
  2. 2. occurs during a new moon (Day time)
  3. 4. Longest or shortest day of the year, start of either summer or winter
  4. 6. Getting Smaller
  5. 9. Invisible line that goes through the center of the Earth