EMS Vocab

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Across
  1. 4. when the moon is completely dark
  2. 6. the star that is the main source of light at the center of our solar system
  3. 8. The nearly circular path a smaller object travels around a larger object
  4. 9. The shape of the illuminated part of the moon as it appears from Earth.
  5. 10. the border between light and dark on the moon
Down
  1. 1. Something we observe to be similar over and over again
  2. 2. Object, diagram, or computer program that helps us understand something.
  3. 3. the relative size of things
  4. 5. to shine light on an object and make it visible
  5. 7. A rocky sphere that travels around a planet