WorksheetsCLASS 4 # ENERGY # YEARLY EXAM REVISION
Total questions: 15
Worksheet time: 10mins
Which among the following has heat and light energy?
electric energy
hydroelectric energy
solar energy
wind energy
The correct statements are :
We need energy to apply force.
Work can be done without using energy.
Energy is the ability to do work.
Work is not done if an object moves when force is applied on it.
The energy possessed by a body due to its position is called (a) energy.
Plants use _______ energy to prepare food.
The action of (a) help to generate electricity.
Choose the options that help us to save energy.
Switch off lights during the day.
Travel short distances in a car.
Switch off lights, fans and other electric appliances when they are in use.
Use devices that use solar energy.
The alternative energy sources (renewable energy sources) among the following are:
Solar energy, Wind energy and Coal
Solar energy, Petrol and Coal
Petrol , hydroelectric energy and Coal
Solar energy, Wind energy and hydroelectric energy.
The gas produced by decaying organic things like animal dung, dead animals and food wastes is
Biogas
Carbon dioxide
Kerosene
Natural gas
Choose the option that shows energy conversion in door bell.
Electrical energy → Sound energy
Sound energy → Electrical energy
Electrical energy → Heat energy
Electrical energy → Light energy
Choose the option that shows energy conversion in burning of wood.
Light energy → Heat energy
Heat energy → Light energy
Chemical energy → Heat energy
Heat energy → Chemical energy
Energy cannot be converted from one form to another.
True
False
Two non-renewable sources of energy are ___________ and ________________ .
wind and water.
coal and petroleum
sunlight and wind
light and heat
Which type of energy is depicted in the picture?
Potential energy
Kinetic energy
Potential and kinetic energy
None of the above
Substances which have very high energy stored in them, are called (a) .
_________________ energy allows us to walk ,run, climb and perform other activities.
Mechanical
Chemical
Electrical
Wind
