Science

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Across
  1. 7. fall the movement of an object toward Earth because of gravity
  2. 8. a steady change in velocity
  3. 12. the total distance traveled divided by the time it takes to travel that distance
Down
  1. 1. the vector sum of two or more vectors
  2. 2. movement in relation to a frame of reference
  3. 3. the rate at which velocity changes
  4. 4. the rate at which an object is moving at a given moment in time
  5. 5. the length of the path between two points
  6. 6. a system of objects that are not moving with respect to one another; a system of objects used for comparison to determine if something is in motion
  7. 9. ratio of the distance an object moves to the amount of time the object moves
  8. 10. a quantity that has a direction associated with it
  9. 11. the speed and direction an object is moving measured relative to a reference point