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
The energy present in food items we consume is
  • A
    Light energy
  • B
    Chemical energy
    Correct
  • C
    Muscular energy
  • D
    Gravitational energy
2
Which one is an example that shows that force can change shape and size of object?
  • A
    Force applied on large stone
  • B
    Force applied on cricket ball
  • C
    Force applied to increase the speed
  • D
    Force applied on inflated balloon
    Correct
3
Solar cookers and solar water heaters use ____________ to generate heat.
  • A
    Light energy
  • B
    Solar energy
    Correct
  • C
    Heat energy
  • D
    Thermal energy
4
Which kind of energy conversion is taking place in figure below
Question 4 figure 1
  • A
    Sound energy to light energy
  • B
    Light energy to sound energy
  • C
    Electrical energy to thermal energy
  • D
    Electrical energy to light energy
    Correct
5
Which of the following device converts electrical energy into heat as well as light energy together?
  • A
    Toaster
  • B
    Geyser
  • C
    CFL
  • D
    Electric bulb
    Correct
6
A body can not start moving or stop moving without
  • A
    Force
    Correct
  • B
    Pressure
  • C
    Gravity
  • D
    Temperature
7
Which of the following is an example of simple machine?
  • A
    Sewing machine
  • B
    Computer
  • C
    Fan
  • D
    Screw
    Correct
8
In hydroelectric power plants, potential energy of dam is converted into
  • A
    Electrical energy
    Correct
  • B
    Light energy
  • C
    Sound energy
  • D
    Gravitational energy
9
Pick the one which is not a way object move
  • A
    Roll
  • B
    Spin
  • C
    Sit
    Correct
  • D
    Flip
10
Which of the following possesses kinetic energy?
  • A
    Moving train
    Correct
  • B
    Stone kept at height
  • C
    Glowing bulb
  • D
    Water stored in dam
11
The energy present in the rays of the sun is called
  • A
    Fossil energy
  • B
    Heat energy
  • C
    Light energy
  • D
    Solar energy
    Correct
12
The two force acting on stationary object is
  • A
    Gravitational force and frictional force
    Correct
  • B
    Static force and magnetic force
  • C
    Magnetic force and frictional force
  • D
    Magnetic force and frictional force
13
Work done is equal to product of force and
  • A
    Mass
  • B
    Weight
  • C
    Energy
  • D
    Displacement
    Correct
14
The force responsible for keeping moon moving around Sun is
  • A
    Atmospheric force
  • B
    Gravitational force
    Correct
  • C
    Contact force
  • D
    Magnetic force
15
Kinetic energy of a body depends upon
  • A
    Mass and weight
  • B
    Mass and velocity
    Correct
  • C
    Velocity and temperature
  • D
    Mass and displacement