Moon Crossword

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Across
  1. 4. different shapes of the moon visible from earth
  2. 11. the plane containing Earth's orbit
  3. 12. sun and moon's gravitational pull add together creating large changes in the high and low tides
  4. 15. the unit used to measure distance between objects in space
  5. 16. dark flat plains formed by lava flows
  6. 17. region of a shadow that is less dark
Down
  1. 1. chunks of rock moving through the solar system
  2. 2. depressions on the surface formed by meteoroids
  3. 3. model of the solar system where Earth and other planets revolved around the Sun
  4. 5. light areas of the moon with rough terrain
  5. 6. model of the solar system where the planets revolved around the Earth
  6. 7. eclipse Earth casts a shadow on the moon
  7. 8. small, natural body in space that revolves around a planet
  8. 9. regular rise and fall of ocean water
  9. 10. tide moon is in 1st and 3rd quarter with the least change in tides
  10. 12. moon casts a shadow on Earth's surface
  11. 13. darkest part of a shadow
  12. 14. shadow of one body in space falls on another