Class 04 EVS Work Force And Energy CBSE Questions & Answers

Class 4 · EVS Work Force And Energy

This is Science and Social Science (EVS) class 04 EVS Work Force and Energy CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
When force produces motion, it is said that __________ is done.
  • A
    Momentum
  • B
    Work
    Correct
  • C
    Energy
  • D
    Power
2
Which type of energy is used in figure below
Question 2 figure 1
  • A
    Potential energy
  • B
    Wind energy
    Correct
  • C
    Light energy
  • D
    Sound energy
3
Which of the following device do not require electric current for working?
  • A
    Television
  • B
    Funnel
    Correct
  • C
    CD player
  • D
    Fan
4
Which of the following device convert the electrical energy to heat energy?
  • A
    Electric motor
  • B
    Electric fan
  • C
    Electric bulb
    Correct
  • D
    All of these
5
The change of one form of energy to another form is called
  • A
    Misuse of energy
  • B
    Conservation of energy
  • C
    Transformation of energy
    Correct
  • D
    Wastage of energy
6
Which one is not a simple machine?
  • A
    Pulley
  • B
    Lever
  • C
    Computer
    Correct
  • D
    Screw
7
A rotating fan has
  • A
    Gravitational energy
  • B
    Heat energy
  • C
    Chemical energy
  • D
    Mechanical energy
    Correct
8
Which of the following is not a form of energy?
  • A
    Gravitation
    Correct
  • B
    Sound
  • C
    Light
  • D
    Heat
9
The energy of a body due to its motion is called
  • A
    Potential energy
  • B
    Heat energy
  • C
    Kinetic energy
    Correct
  • D
    Sound energy
10
Which one is essential for work to be done?
  • A
    Release of heat
  • B
    Displacement
    Correct
  • C
    Change in state
  • D
    Change in shape
11
CNG stands for
  • A
    Compressed national gas
  • B
    Company natural gas
  • C
    Compound natural gas
  • D
    Compressed natural gas
    Correct
12
Which force enables us to perform all activities involving movement or bending of our body?
  • A
    Magnetic force
  • B
    Muscular force
    Correct
  • C
    Frictional force
  • D
    Electrostatic force
13
Moving air is called
  • A
    Storm
  • B
    Wind
    Correct
  • C
    Hurricanes
  • D
    Clouds
14
The football moving on playground stops after sometime due to
  • A
    All of the above
  • B
    Friction on ground
    Correct
  • C
    Direction of motion
  • D
    Mass of ball
15
Which of these is a type of force?
  • A
    Friction
    Correct
  • B
    Motion
  • C
    Magnet
  • D
    Push