# Class 4 Science MCQs Chapter 6

Updated: 02 Oct 2022

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##### Table of Content
1. Class 4 Science MCQs Chapter 6

## Class 4 Science MCQs Chapter 6

Force and Motion

### Chapter No. 6 Test # 1

1. The act of pushing or pulling a body is called _______
(a) Gravity
(b) Friction
(c) Lever
(d) Force

Force

2. ________ is used to move or stop the body.
(a) Gravity
(b) Friction
(c) Lever
(d) Force

Force

3. ________ increases or decreases the speed of a body.
(a) Gravity
(b) Friction
(c) Lever
(d) Force

Force

4. ________ can change the direction of motion.
(a) Gravity
(b) Friction
(c) Lever
(d) Force

Force

5. A force can be explained as:
(a) Push or pull of a body
(b) Move or stop the body
(c) Change the direction
(d) All of these

All of these

6. A force acting on a body ______ its shape by compressing it.
(a) Can
(b) Cannot
(c) Lever
(d) None of these

Can

7. ______are forces.
(a) Push
(b) Pull
(c) Both a & b
(d) None of these

Both a & b

8. The body _______its position during movement.
(a) Changes
(b) Does not
(c) Just move up
(d) None of these

Changes

9. The ________ moves up and down.
(a) See – saw
(b) Swing
(c) Fan
(d) None of these

See – saw

10. The________ moves in a circle.
(a) See – saw
(b) Swing
(c) Fan
(d) None of these

Fan

11. The ________ moves back and forth.
(a) See – saw
(b) Swing
(c) Fan
(d) None of these

Swing

12. The process in which a body changes its position is called_________.
(a) Rest
(b) Motion
(c) Force
(d) None of these

Motion

13. When the earth pulls the bodies towards itself with a specific force is called ________ of earth
(a) Friction
(b) Speed
(c) Gravity
(d) None of these

Gravity

14. A ball thrown upward return to the ground after reaching a certain height is due to _______
(a) Friction
(b) Speed
(c) Gravity
(d) None of these

Gravity

15. _____ is the force that stops or tends to stop moving objects.
(a) Friction
(b) Speed
(c) Gravity
(d) None of these

Friction

16. Moving football stops after covering some distance is due to ________
(a) Friction
(b) Speed
(c) motion
(d) None of these

Friction

17. Friction occurs when two bodies are ________ with each other.
(a) Far away
(b) In contact
(c) In fire
(d) None of these

In contact

18. _________ always acts against the direction of movement.
(a) Friction
(b) Speed
(c) motion
(d) None of these

Friction

19. Friction always acts ________ the direction of movement.
(a) In
(b) Against
(c) Above
(d) Below

Against

20. Igniting of the match stick is possible due to __________.
(a) Friction
(b) Speed
(c) motion
(d) None of these

Friction

21. Penetration of the nail into the wall is due to ________
(a) Friction
(b) Speed
(c) motion
(d) None of these

Friction

22. Slowing down or stopping of vehicle is due to ________
(a) Friction
(b) Speed
(c) motion
(d) None of these

Friction

23. We ________ walk on earth with friction.
(a) Can
(b) Cannot
(c) Slip
(d) Fall down

Can

24. The wear out of shoes is due to _______.
(a) Friction
(b) Speed
(c) motion
(d) None of these

Friction

25. Due to friction, some time the tyres of the car _______
(a) Worn over time
(b) New over time
(c) Good over time
(d) None of these

Worn over time

26. Friction causes ________ of moving parts of machines over the time.
(a) Wear and tear
(b) Strong
(c) Lubricant
(d) None of these

Wear and tear

27. Everything that makes our work easier is called a __________.
(a) Friction
(b) Speed
(c) motion
(d) machine

machine

### Chapter No. 6 Test # 2

28. Lever, pulley, gear and ramp (inclined plane) are ________ machine.
(a) Simple
(b) Complex
(c) New
(d) Old

Simple

29. A ________ is a simple machine that can be used to push or lift heavy objects.
(a) Gear
(b) lever
(c) Pulley
(d) Inclined plane

lever

30. The lever that turns around a certain point called ________
(a) Center
(b) Fulcrum
(c) Circle
(d) None of these

Fulcrum

31. A ________ is a simple machine that consists of grooved wheel and a rope.
(a) Gear
(b) lever
(c) Pulley
(d) Inclined plane

Pulley

32. The load is lifted up by applying force (effort) on one end of the rope passing over the _________.
(a) Gear
(b) lever
(c) Pulley
(d) Inclined plane

Pulley

33. Pulling a weight is ________ than lifting it by pulley.
(a) Easier
(b) Difficult
(c) Heavy
(d) None of these

Easier

34. Water can be easily drawn from a well by using _______.
(a) Gear
(b) lever
(c) Pulley
(d) Inclined plane

Pulley

35. The flag is raised up with the help of _______.
(a) Gear
(b) lever
(c) Pulley
(d) Inclined plane

Pulley

36. Changing the direction of force makes it easier to work with the _______.
(a) Gear
(b) lever
(c) Pulley
(d) Inclined plane

Pulley

37. To lift objects with the help of pulley, put the effort ________.
(a) Upward
(b) Downward
(c) Left side
(d) Right side

Downward

38. ________ is a simple machine which consists of toothed wheels of different sizes.
(a) Gear
(b) lever
(c) Pulley
(d) Inclined plane

Gear

39. The teeth of ______ wheels fit in with each other and move together.
(a) Gear
(b) lever
(c) Pulley
(d) Inclined plane

Gear

40 With the help of _______, we can increase and decrease the speed.
(a) Gear
(b) lever
(c) Pulley
(d) Inclined plane

Gear

41. Ramp is also called
(a) Gear
(b) lever
(c) Pulley
(d) Inclined plane

Inclined plane

42. The examples of gear are
(a) Bicycles
(b) Grinders
(c) Sugarcane juice machine
(d) All of these

All of these

43. _______ is a simple machine with one end relatively higher than the other.
(a) Gear
(b) lever
(c) Pulley
(d) Inclined plane

Inclined plane

44. ________ allows us to move objects easily from bottom to top and top to bottom.
(a) Gear
(b) lever
(c) Pulley
(d) Inclined plane

Inclined plane

45. What is force?
(a) Push
(b) Pull
(c) Lift
(d) Push and pull

Push and pull

46. When a body changes its position, it is called:
(a) Friction
(b) Force
(c) Motion
(d) Gravity

Motion

47. All bodies are attracted towards the Earth due to:
(a) Force
(b) Friction
(c) Gravity
(d) Motion

Gravity

48. If we apply the same force on toy car, it will be travel longer on:
(a) Rocky soil
(b) Marble floor
(c) Floor of bricks
(d) Ground

Marble floor

49. Which machine consists of grooved wheel?
(a) Lever
(b) Pulley
(c) Inclined plane
(d) Gear