Earth, moon and sun glossary Wordsearch

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