Exploring Magnets Class 6 Worksheet Science Chapter 4

Class 6 Science Chapter 4 Worksheet Exploring Magnets

Exploring Magnets Class 6 Worksheet

A. Tick (✓) the odd one out giving a reason. (Conceptual Learning)

Question 1.
Plastic, Aluminium, Cobalt, Copper, Gold.
______________________________________________

Question 2.
Magnetite, Magnes, Bar Magnet, Magnesia, Hematite.
______________________________________________

Question 3.
Bar magnet, Horseshoe magnet, Cylindrical magnet, Magnetite, and Ring magnet.
______________________________________________

Question 4.
Electric motor, Dynamos, Steel, Speakers, Doorbell.
______________________________________________

Question 5.
ATM card, Microphones, Speakers, Bulbs, TV.
______________________________________________

B. Multiple Choice Questions

Question 1.
Which pole of a magnet points towards the Earth’s geographic North pole due to geomagnetic alignment?
(a) North pole
(b) South pole
(c) Any of the two poles
(d) Neither of the two poles

Question 2.
The main function of a magnetic compass in a watch is to determine:
(a) the temperature
(b) the altitude
(c) the direction
(d) the time

Question 3.
What is to be used for the demagnetization of a magnet?
(a) By heating
(b) By hammering
(c) By cooling
(d) All of them

Question 4.
Choose the non-magnetic material from the following?
(a) Cobalt
(b) Nickel
(c) Plastic
(d) Iron

Question 5.
Which of the following is correct, when two magnets with like poles (North-North or South-South) are brought close to each other?
(a) They will attract each other.
(b) They will repel each other.
(c) They will become neutral.
(d) They will slide over one another.

C. Assertion-Reason (Critical Thinking)

Two statements are given for questions 1 to 6: Assertion (A) and Reason (R). Select the correct answer to these questions from the codes (a), (b), (c), and (d) as given below:
(a) Assertion (A) and Reason (R) both are correct statements and reason is the correct explanation for assertion.
(b) Assertion (A) and Reason (R) both are correct statements and reason is not the correct explanation for assertion.
(c) Assertion (A) is a correct statement but the Reason (R) is a wrong statement.
(d) Assertion (A) is a wrong statement but the Reason (R) is a correct statement.

Question 1.
Assertion (A): Magnetite is an artificial magnet.
Reason (R): A freely suspended magnet rests along the North-South direction.
______________________________________________

Question 2.
Assertion (A): Maximum iron filings stick near the ends of the bar magnet.
Reason (R): Magnetic strength is maximum on the poles of a magnet.
______________________________________________

Question 3.
Assertion (A): Rubber is a magnetic material.
Reason (R): Magnetic materials are the materials that are attracted to a magnet.
______________________________________________

Question 4.
Assertion (A): A freely suspended magnet rests along the North-South direction.
Reason (R): A freely suspended magnet aligns itself with the Earth’s magnetic field.
______________________________________________

Question 5.
Assertion (A): A magnet has two poles—the North pole and the South pole.
Reason (R): Two similar poles repel each other while opposite poles attract each other.
______________________________________________

Question 6.
Assertion (A): The magnetic effect can act through non-magnetic materials.
Reason (R): Magnetic fields propagate and are transmitted through non-magnetic materials without being significantly weakened or disrupted.
______________________________________________

D. Very Short Answer Questions

Question 1.
Match Column I with Column II (One option of I can match with more than one option of II).

(a) __________________
(b) __________________
(c) __________________
(d) __________________
(e) __________________

Question 2.
Define a magnet.
______________________________________________

______________________________________________

Question 3.
When do two magnets repel each other?
______________________________________________

Question 4.
Which is the north pole of a bar magnet?
______________________________________________

Question 5.
State the property of magnets which have been used since ancient times to find directions.
______________________________________________

Question 6.
Choose the non-magnetic material from the following:
Cobalt, Plastic, Gold, Nickel, Silver, Iron.
______________________________________________

Question 7.
Name the first magnet discovered.
______________________________________________

Question 8.
At which part of the magnet is its magnetic force maximum?
______________________________________________

Question 9.
Name one method to demagnetize a magnet.
______________________________________________

Question 10.
Which is the principle of magnetism applied high-speed Maglev trains?
______________________________________________

Question 11.
Name the part of the magnet that attracts the least number of iron fillings or pins.
______________________________________________

Question 12.
Define Electromagnet.
______________________________________________

Question 13.
What do you mean by a magnetic compass?
______________________________________________

Question 14.
Below are four cases with pairs of magnets labelled with their respective poles. Write down in each case whether the force experienced will be attraction or repulsion.

E. Short Answer Questions

Question 1.
Write an activity to prove that the force of any bar magnet is always stronger at the poles.
______________________________________________
______________________________________________
______________________________________________
______________________________________________

Question 2.
How can you find the poles of a magnet with the help of another magnet whose poles are not marked?
______________________________________________
______________________________________________
______________________________________________
______________________________________________

Question 3.
Define the attractive properties of a magnet.
______________________________________________
______________________________________________
______________________________________________
______________________________________________

Question 4.
How is a magnetic compass used for finding the directions?
______________________________________________
______________________________________________
______________________________________________
______________________________________________

Question 5.
Huge magnets are used in a junkyard. Can you discuss two important points how they are useful there?
______________________________________________
______________________________________________
______________________________________________
______________________________________________

Question 6.
You have two bars one of which is an iron bar and the other is a magnetic bar. How will you differentiate between them?
______________________________________________
______________________________________________
______________________________________________
______________________________________________

Question 7.
Write down the difference between:
(a)

(b)

F. Higher Order Thinking Skills (HOTS) (Critical Thinking)

Question 1.
How can a carpenter quickly and easily extract iron nails and screws from a mixture of wooden shavings and metal pieces, minimizing time and effort?
______________________________________________
______________________________________________
______________________________________________
______________________________________________

Question 2.
Why is it important to avoid exposing magnets to electronic devices like mobile phones, televisions, computers, and CDs and what are the potential risks or damage that can occur if they are brought too close together?
______________________________________________
______________________________________________
______________________________________________
______________________________________________

Question 3.
How can Krishna assist his mother in quickly and easily finding the lost sewing needle, considering its small size and potential hiding spots on the floor?
______________________________________________
______________________________________________
______________________________________________
______________________________________________

Question 4.
I have heard that magnets can be used to relieve pain and reduce inflammation. Can magnetic therapy help my mother recover from her injury, and are there any specific ways we can use magnets to help her feel better?
______________________________________________
______________________________________________
______________________________________________
______________________________________________

Question 5.
Maglev trains are ideal for high-speed transportation, reducing travel time and enhancing passenger experience. What is the basic concept of these high-speed trains?
______________________________________________
______________________________________________
______________________________________________
______________________________________________

G. Competency/Case-Based Questions (CBQs)

The following questions are case-based questions. Read the case carefully and answer the questions that follow.

The “Make in India” concept is empowering the nation in various fields, including battle technology and transportation, as seen with the development of Vande Bharat trains. Furthermore, the introduction of the Bullet train, utilising magnetic levitation technology, highlights the transformative power of magnets in transportation. Beyond transportation, magnets are revolutionising the medical field with their unique properties. Magnetic Resonance Imaging (MRI) uses magnets to create detailed images of internal body structures. Magnetic hyperthermia is also being used to treat cancer cells. Moreover, magnetic therapy is relieving pain, reducing inflammation, and promoting healing. Magnets are thus playing a crucial role in advancing healthcare and improving human lives. Their versatility and potential are undeniable. As technology continues to evolve, the applications of magnets are expected to expand. Overall, magnets are translprming industries and enhancing our daily lives in profound ways.

Question 1.
What are the poles of a magnet?
______________________________________________
______________________________________________

Question 2.
Why is it said that repulsion is a sure test for magnetism?
______________________________________________
______________________________________________

Question 3.
Are both poles of a magnet the same?
______________________________________________
______________________________________________

Question 4.
What is an electromagnet?
______________________________________________
______________________________________________

Question 5.
Define geomagnetic alignment.
______________________________________________
______________________________________________

Curiosity Class 6 Worksheet

The post Exploring Magnets Class 6 Worksheet Science Chapter 4 appeared first on Learn CBSE.