science choice board

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Across
  1. 1. Amount of matter in an object
  2. 3. how far apart objects are
  3. 5. Vector quantity
  4. 6. change of the position of an object with time.
  5. 9. universal force of attraction acting between all matter
  6. 10. how far apart objects are
Down
  1. 2. rate of change of velocity over time
  2. 4. force acting on an object due to gravity
  3. 7. a path it's the way something goes around an object in space.
  4. 8. fall motion of a body where gravity is the only force acting upon it.