Electricity and Magnetism Worksheet for Grade 4 with Solved in Pdf Download
Electricity and Magnetism Worksheet for Grade 4: Electricity and Magnetism Worksheet for Grade 4 students with solution in Pdf download from this page. Total marks is 40 for this worksheet. Students of Standard 4 who are already cleared concept on Electricity and Magnetism can solve this paper.
Multiple choice questions (15*1=15)
1.) Which of the following is a renewable source of electricity?
a) Coal
b) Natural Gas
c) Solar
d) Petroleum
Answer: c) Solar
2.) What is the primary source used to generate electricity in a hydroelectric power plant?
a) Wind
b) Water
c) Coal
d) Biomass
Answer: b) Water
3.) Which device is used to protect an electrical circuit from excessive current?
a) Transformer
b) Resistor
c) Fuse
d) Diode
Answer: c) Fuse
4.) What is the unit of measurement for electric current?
a) Watt
b) Ohm
c) Ampere
d) Volt
Answer: c) Ampere
5.) Which of the following appliances converts electrical energy into light energy?
a) Fan
b) Television
c) Microwave
d) Bulb
Answer: d) Bulb
6.) What is the use of an electric switch in a circuit?
a) To increase voltage
b) To store electricity
c) To control the flow of electricity
d) To generate electricity
Answer: c) To control the flow of electricity
7.) In a closed electrical circuit, what happens when a switch is turned off?
a) Electricity stops flowing
b) Voltage increases
c) Current decreases
d) Resistance decreases
Answer: a) Electricity stops flowing
8.) What type of magnet is commonly used to stick notes on a refrigerator?
a) Electromagnet
b) Temporary magnet
c) Permanent magnet
d) Ferro magnet
Answer: c) Permanent magnet
9.) What is the property of a magnet that allows it to attract certain materials?
a) Reflection
b) Refraction
c) Magnetism
d) Conduction
Answer: c) Magnetism
10.) What is the main source of energy for a wind turbine to generate electricity?
a) Water
b) Air
c) Sun
d) Heat
Answer: b) Air
11.) Which type of circuit has more than one path for the current to flow?
a) Series circuit
b) Open circuit
c) Closed circuit
d) Parallel circuit
Answer: d) Parallel circuit
12.) Which of the following is an example of a non-renewable source of energy?
a) Wind
b) Solar
c) Coal
d) Tidal
Answer: c) Coal
13.) Which of the following devices helps in controlling the flow of current in a circuit?
a) Switch
b) Resistor
c) Capacitor
d) Diode
Answer: a) Switch
14.) Which of the following statements is true about a series circuit?
a) It has multiple paths for the current to flow
b) If one bulb goes out, the other bulbs remain lit
c) If one bulb goes out, all bulbs go out
d) The brightness of each bulb is independent of others
Answer: c) If one bulb goes out, all bulbs go out
15.) What happens when like poles of two magnets are brought close to each other?
a) They attract each other
b) They repel each other
c) They rotate around each other
d) They become neutral
Answer: b) They repel each other
Fill in the blanks (10*1=10)
1.) The most common source of electricity is_______.
Answer: Coal
2.) Solar panels harness energy from the ___ to generate electricity.
Answer: Sun
3.) A device that controls the flow of electricity in a circuit is called a ___.
Answer: Switch
4.) When two or more electrical devices are connected, it forms an ____.
Answer: Electric circuit
5.) A complete path that an electric current can flow through is known as a ____.
Answer: Closed circuit
6.) An example of a natural magnet found in homes is a ____.
Answer: Fridge magnet
7.) Magnets have two poles, the ___ pole and the _____ pole.
Answer: North, South
8.) The force that pulls objects made of iron toward a magnet is known as ____.
Answer: Magnetic force
- The device that changes electrical energy into light energy is known as a ____.
Answer: Light bulb
- An object that can be magnetized or is attracted to a magnet is called a ____.
Answer: Magnetic material
State true/ false in the following sentences (5*1=5)
1.) The sun is a source of electricity for solar panels.
Answer: True.
2.) Magnets can be used to power appliances like refrigerators and televisions.
Answer: False.
3.) Metals are good conductors of electricity.
Answer: True.
4.) Connecting a wire to a battery makes a simple electric circuit.
Answer: True.
5.) Rubber is a good conductor of electricity.
Answer: False.
Short answer questions (10*1=10)
1.) What is electrical energy?
Answer: The electrical energy is the energy that’s stored in charged particles within an electric field.
2.) Name two sources of electricity.
Answer: Two sources of electricity is water and natural gas.
3.) Suggest one way to reduce e-waste.
Answer: We can reduce E-waste by using electricity as per necessity and requirement.
4.) Name two uses of electricity in our household.
Answer: we use electricity to run electrical appliances for cooking and for producing light.
5.) What is electric circuit?
Answer: Electric circuit is the continuous pathway through which electricity flows. Circuit is made of wires, source of electricity and an electrical appliance.
6.) Define current.
Answer: In a complete circuit, the flow of electricity is called current.
7.) What is magnetic force?
Answer: A magnetic force is a force that a magnet exerts on certain materials like iron, steel, nickel, and cobalt.
8.) What is non magnetic material?
Answer: Those things that are not attracted by magnet are called non-magnetic materials
9.) What is the use of battery in a circuit?
Answer: A battery is a source of energy which provides energy to get the current flowing in a circuit.
10.) Name two things in our household that has magnet inside.
Answer: Two things in our household that has magnet inside are fridge magnet and electric motor.