15 crossword puzzel

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Across
  1. 2. attracts all objects toward each other
  2. 4. the very darkest part of the moons shadow
  3. 8. when the moon faces us at the right angle looks like a face
  4. 9. takes 1 year
  5. 11. is the amount of matter in an object
  6. 13. the tendency of an object to resist a change in motion
  7. 15. the diffrent shapes of the moon you see from earth
Down
  1. 1. it casts a showdow on an object,
  2. 3. takes 24 hours
  3. 5. the middle of the earth its an invisable line
  4. 6. the sun goes behind the moon to make light
  5. 7. this larger part of the shadow
  6. 10. something that goes around
  7. 12. the measure of the force of gravity on an object
  8. 14. where the earth points