MOTION, SPEED, and ACCELERATION

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Across
  1. 1. SI unit of time.
  2. 7. Place or object used to determine motion.
  3. 9. How fast an object is displacing or moving.
  4. 10. Divide the total distance by the total time.
  5. 11. Path along which something moves.
  6. 12. To find the change in speed you need to subtract his by the initial speed.
  7. 13. SI unit of distance
Down
  1. 2. To find speed you need to divide this by time.
  2. 3. Symbol used to represent "change".
  3. 4. Increasing or decreasing speed, or changing direction.
  4. 5. Speed and direction.
  5. 6. Period of duration between two events.
  6. 8. When an object changes its position relative to another object.
  7. 9. Not moving.