motion and time

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Across
  1. 1. the distance covered by a moving object in moving time is known as .
  2. 4. if it travels in a straight line and covers equal distance in equal intervals of time
  3. 6. it gives the speed in a moving vehicle
  4. 8. it always completes one to-and-fro motion in exactly the same time
  5. 9. if the speed or direction of the body does not remain constant
Down
  1. 2. measurements are important in our .
  2. 3. the time taken for one to-and-fro movement is always .
  3. 4. measurement is the comparison of .
  4. 5. it gives the distance travelled
  5. 7. quantities like lenght,wieght,time,tempreture,speed etc that can be measured are cslled quantities.