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