Gravitational Pull

12345
Across
  1. 1. The greater amount of this something has the larger its gravitational pull
  2. 4. Earth' center is like what?
  3. 5. Has a large amount of mass packed together in a small volume
Down
  1. 2. The planets circle around this because of its large mass
  2. 3. The invisible force that pulls objects with mass towards or away from each other
  3. 4. You weigh less on this planet because the planet has a smaller mass than Earth