Earth, Moon, Sun System

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Across
  1. 2. one rotation of the Earth
  2. 4. Earth's tilt and its revolution cause this to change
  3. 6. Two times of year when the day and night lengths are about 12 hours
  4. 7. the phase that is present when the moon is between the Earth and the sun (2 words)
  5. 9. To move in a circle about a central axis
  6. 10. describes a moon that appears to be growing
Down
  1. 1. caused by the gravity of the moon as the Earth rotates on its axis
  2. 3. one revolution of the Earth around the sun
  3. 5. the phase that is present when the Earth is between the moon and the sun
  4. 6. when one celestial body such as a moon or planet moves into the shadow of another celestial body
  5. 8. one revolution of the moon around the Earth
  6. 9. to spin on an axis