Puzzle Time

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Across
  1. 1. how much something weighs
  2. 4. force of attraction between object due to their mass
  3. 5. amount of space something takes up
  4. 7. measure of how much force is acting on a given area
  5. 9. gravity is pulling down and no other forces are acting on it
  6. 10. object travels around another object in space
Down
  1. 2. large vehicle that goes into space
  2. 3. amount of space traveled
  3. 6. large rock in space
  4. 8. deep void