Class VII | Science | Motion and Time |MCQ :Fill in the blanks

Class VII | Science | Lesson 13. Motion and Time |MCQ :Fill in the blanks

1. Speed of a body is the distance travelled by the body in ---- second.

Answer: One

2. if a has different speeds at different times we can calculate the ----------- speed

Answer: Average

3. Change of distance with time may be represented by a distance -------------

Answer: Time graph

4. --------------- gives the speed of the vehicle every instant in km/h

Answer: Speedometer

5. ---- measures the total distance covered by the vehicle in meter.

Answer: Odometer

6.  -------------- is a device used for measuring wind speed.

Answer: Anemometer

7.  -------------- is nothing but speed in a definite direction

Answer: Velocity

8. ------ is the change of velocity in one second.

Answer: Acceleration

9. The speed of a moving body at any particular instant of time is called------------- Answer: instantaneous speed.

10. Straight line parallel to time axix of distance-time graph express ----- the motion of an object.

Answer: Constant