Earth, Moon, and Sun Crossword

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Across
  1. 5. eclipse: when the Moon is completely dark
  2. 7. the boarder between light and dark on the Moon
  3. 9. moon: a moon phase that looks like more than a circle from Earth
  4. 11. the relative size of things
  5. 12. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
  6. 13. a rocky sphere that travels around a planet
  7. 14. phase: the shape of the illuminated part of the Moon as It appears from Earth
  8. 15. a planet outside our solar system
  9. 18. moon: a moon phase that looks like a half-circle from Earth
  10. 19. system: the sun, the planets the orbit Sun, and other objects that orbit the sun
Down
  1. 1. the star that is the main source of light and dark on the Moon
  2. 2. the nearly circular path a smaller object (like the Moon) travels around a larger object (like Earth)
  3. 3. moon: a moon phase that looks like less than half a circle
  4. 4. the amount of time it takes for a planet to complete one orbit around a star or stars
  5. 6. moon: a moon phase in which the Moon is not visible from Earth
  6. 8. to shine light on an object and make it visible
  7. 10. a moon outside our solar system
  8. 16. something we observe to be similar over and over again
  9. 17. moon: a moon phase that looks like a full circle from Earth