Challenge - lunar phases

12345678910
Across
  1. 2. the only source of light in the solar sytem
  2. 4. what moon does at night
  3. 5. what the sun provides for the moon
  4. 6. in the ocean due to gravity
  5. 8. the spinning of an object on its axis
  6. 9. the only time you can see a full moon
Down
  1. 1. another word for moon
  2. 3. the movement of one object around another
  3. 7. can be seen at night
  4. 10. the pull towards the center of the earth and sun