gravity and other forces

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Across
  1. 3. the tilt of the earth
  2. 4. the amount of gravity exerted on an object
  3. 6. it contains planets
  4. 10. what keeps things moving
Down
  1. 1. the amount ob space an object takes up
  2. 2. the attraction between 2 objects
  3. 5. a push or pull
  4. 7. what planets orbit
  5. 8. what orbits the earth
  6. 9. where we live