Class 6 Science Chapter 10 Fun With Magnets.
THIS PAGE INCLUDES :
- CHAPTER OVERVIEW -
These Topics are covered in NCERT Class 6 Science Chapter 10 Fun With Magnets.
# History of Magnet.
# Magnetic and Non-Magnetic Materials.
# Poles of Magnet.
# Attraction and Repulsion B/w Magnets.
# Taking Care of Magnets.
Here at MSEducator.in you get Complete FREE Study Material for Class 6 Science Chapter 10 Fun with Magnets.
Which includes :-
# Class 6 Science Chapter 10 Explanation.
# Class 6 Science Chapter 10 Important Questions.
# NCERT Solutions :
Class 6 Science Chapter 10 NCERT Solutions are completely based on NCERT Book for Class 6 Science Chapter 10 Fun With Magnets. These NCERT Solutions for Class 6 Science Chapter 10 Fun With Magnets contains Answers and detailed explanation of Questions talked about in NCERT Class 6 Science Chapter 10 Fun With Magnets. Here we suggest you to go through these Class 6th Science Chapter 10 NCERT Solutions thoroughly to strengthen you understanding about this Chapter of Class 6 Science.NCERT Solutions for Class 6 Science Chapter 10 - Q1.
Q1. Fill in the blanks in the following:
(i) Artificial magnets are made in different shapes such as Bar magnet , Horse-shoe magnet and cylindrical magnet .
(ii) The materials which are attracted towards a magnet are called Magnetic materials .
(iii) Paper is not a Magnetic material .
(iv) In olden days, sailors used to find direction by suspending a piece of Bar magnet or lode stone .
(v) A magnet always has two or a pair of poles.
NCERT Solutions for Class 6 Science Chapter 10 - Q2.
Q2. State whether the following statements are true or false:
(i) A cylindrical magnet has only one pole.
Ans. False
(ii) Natural magnets were discovered in Greece.
Ans. True
(iii) Similar poles of a magnet repel each other.
Ans. True
(iv) Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
Ans. False
(v) Bar magnets always point towards North-South direction when suspended freely in air.
Ans. True
(vi) A compass can be used to find East-West direction at any place.
Ans. True
(vii) Rubber is a magnetic material.
Ans. False
NCERT Solutions for Class 6 Science Chapter 10 - Q3.
Q3. It was observed that a pencil sharpener gets attracted by both the poles of a magnet although its body is made of plastic. Name a material that might have been used to make some part of it.
Ans. Iron/steel is used to make some part of sharpener due to which it is attracted towards magnet.
NCERT Solutions for Class 6 Science Chapter 10 - Q4.
Q4. Column I shows different positions in which one pole of a magnet is placed near that of the other. Column II indicates the resulting action between them for each situation. Fill in the
blanks.
Answer.
NCERT Solutions for Class 6 Science Chapter 10 - Q5.
Q5. Write any two properties of a magnet.
Ans. Two properties of magnets are:
(a) A magnet has two poles: North pole and South pole.
(b) Like poles repel each other and unlike poles attract each other.
NCERT Solutions for Class 6 Science Chapter 10 - Q6.
Q6. Where are poles of a bar magnet located?
Ans. Poles are located at the two ends of bar magnet. These are north and south poles.
NCERT Solutions for Class 6 Science Chapter 10 - Q7.
Q7. A bar magnet has no markings to indicate its poles. How would you find out near which end is its north pole located?
Ans. Take the bar magnet and suspend it freely with the help of a thread, the end that points towards north pole will be regarded as north end of the magnet. Take a bar magnet with known/marked poles on it. Let the north pole of the magnet be brought closer to the suspended magnet at the end that is pointing towards north, if it shows repulsion than it is confirmed.
NCERT Solutions for Class 6 Science Chapter 10 - Q8.
Q8. You are given iron strip. How will you make it into a magnet?
Ans.
Making a magnet : Take an iron strip and place it on the table. Now take a bar magnet and place one of its poles near one edge of the strip of iron. Without lifting it move it along the length of the iron strip till you reach the other end. Now lift the magnet and bring the pole to the same point of strip from where you began. Repeat this process about 30-40 times. Bring some iron filings near the strip and observe that the strip attracts the filings. This indicates that the iron strip becomes magnet. Remember that the pole of magnet and direction of its movement should not change.
NCERT Solutions for Class 6 Science Chapter 10 - Q9.
Q9. How is compass used to find direction?
Ans.
A compass is a small case of glass. A magnetised needle is pivoted inside the box. The needle can rotate freely. Compass also has a dial with directions marked on it. The compass is kept at the place where we want to know the directions. When the needle comes to rest it indicates north-south direction. The compass is then rotated until the north and south marked on the dial are at the two ends of the needle. Usually different colours are used to point the ends of needle to identify the north and the south poles.
NCERT Solutions for Class 6 Science Chapter 10 - Q10.
Q10. A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. Effect observed in each case is stated in Column I. Possible reason for the observed effects are mentioned in Column II. Match the statements given in Column I with those in Column II.
Answer.
Here at MSEducator.in you get Complete FREE Study Material for Class 6 Science Chapter 10 Fun with Magnets.
Which includes :-
# Class 6 Science Chapter 10 Explanation.
# Class 6 Science Chapter 10 Important Questions.
# Chapter Notes :
Class 6 Science Chapter 10 Fun With Magnets Notes pdf which includes Class 6 Science Chapter 10 Fun With Magnets Notes. These Class 6 Science Chapter 10 Notes pdf are completely based on NCERT Book for Class 6 Science Chapter 10 Fun With Magnets. These notes contains detailed explanation of 6th class science Chapter 10 Fun With Magnets. I suggest you to go through these Notes to strengthen you understanding about this Chapter of Class 6 Fun with Magnets.Class 6 Science Chapter 10 notes.
Here at MSEducator.in you get Complete FREE Study Material for Class 6 Science Chapter 10 Fun with Magnets.
Which includes :-
# Class 6 Science Chapter 10 Explanation.
# Class 6 Science Chapter 10 Important Questions.
# Extra Questions :
Class 6 Science Chapter 10 Extra Questions are completely based on NCERT Book for Class 6 Science Chapter 10 Fun With Magnets. These Extra Questions contains detailed explanation or Definition of some Terms talked about in NCERT Class 6 Science Chapter 10 Fun With Magnets. You also get some short questions and long questions regarding Chapter 10 Fun With Magnets of class 6 Science and Some Value Based Questions regarding NCERT Class 6 Science Chapter 10 Fun With Magnets. Here we suggest you to go through these Class 6th Science Chapter 10 Extra Questions to strengthen you understanding about this Chapter of Class 6 Science.
# Class 6 Science Chapter 10 - Definitions :
Q. What are magnetic materials (substances)?
Ans. Materials which get attracted by the magnet are called magnetic materials (substances).
E.g. Iron, nickel, cobalt, etc.
Q. What are non-magnetic substances?
Ans. Substances which are not attracted by magnet are called non-magnetic substances.
E.g. Rubber, Cotton, Plastic, Wood, Button, Cloth, etc.
Q. What is lodestone?
Ans. Lodestone is a type of iron. It bears the properties of magnet.
Q. What are the poles of magnet?
Ans. A magnet has two ends. They are called poles of magnet. One is north pole (N) and the other is the south pole (S).
Q. What are temporary magnets?
Ans. There are some magnets that lose their property of magnetism after a short period of time. These are called as temporary magnets.
Q. What are permanent magnets?
Ans. The magnets that do not lose their property of magnetism even after a long period of time are called permanent magnets.
Class 6 Science Chapter 10 Extra Questions.
Here at MSEducator.in you get Complete FREE Study Material for Class 6 Science Chapter 10 Fun with Magnets.
Which includes :-
# Class 6 Science Chapter 10 Explanation.
# Class 6 Science Chapter 10 Important Questions.
# Class 6 Science Chapter 10 - Very Short Answer Questions :
Q. Name two ways in which the magnetism of a magnet can be lost.
Ans.
(a) By heating.
(b) By dropping it from height several times.
Q. What will happen if take magnetic compass near a bar magnetic ?
Ans. The needle will deflect
Q. The North end of the freely suspended magnet points towards ?
Ans. Geographical North
Q. The region around a magnet where its magnetic influence can be felt is called -
Ans. magnetic field
Q. The surest test of magnetism is
Ans. Repulsion
Q. Freely suspended bar magnet always aligns in
Ans. North-south direction
Q. Natural magnet is known as
Ans. Magnetite
Q. An copper wire is wound around a steel nail and current is passed for some- time. The nail will change to a:
Ans. Temporary magnet
Q. When like poles are brought close to each other, they
Ans. Repel
Q. A magnet that retains its properties for a long period of time is called
Ans. Permanent magnet
Q. Magnets are used in cranes to lift heavy containers from ship.
Ans. Electromagnets
Q. Process of making an object magnetic is called
Ans. Magnetisation
Q. In which direction does freely suspended magnet come to rest?
Ans. A freely suspended magnet always come to rest in the north-south direction.
Q. Which is the north pole of a bar magnet?
Ans. It is the tip of a bar magnet that points towards the north direction.
Q. In which direction the pointed end of the needle of a compass always points?
Ans. North
Q. Where is the attraction maximum in the magnet?
Ans. Attraction is maximum at the poles.
Q. To which part of the magnet do none or only a few iron filings stick?
Ans. Minimum number of iron filings stick to the middle part of the magnet
Q. What happens when similar poles come close to each other?
Ans. They repel each other
Q. Which property of a magnet is used for the testing of permanent magnet?
Ans. Repulsion property
Class 6 Science Chapter 10 Extra Questions.
Here at MSEducator.in you get Complete FREE Study Material for Class 6 Science Chapter 10 Fun with Magnets.
Which includes :-
# Class 6 Science Chapter 10 Explanation.
# Class 6 Science Chapter 10 Important Questions.
# Class 6 Science Chapter 10 - Short Answer Questions :
Q. When, where and by Whom the first magnet was discovered ?
Ans. The first magnet was discovered around 800 B.C in Greece by an old shepherd who lived on Create Island named Magnes.
Q. What is a magnet? Mention their classification.
Ans. A magnet is a substance that has the property of attracting objects made of iron, cobalt and nickel. On the basis of their occurrence, the magnets can be classified as:
(a) Natural magnets
(b) Artificial magnets.
(c) Electro magnets
Q. Can we isolate north pole or south pole of a magnet? Give reason.
Ans. No, we cannot isolate north pole of a magnet from its south pole or vice-versa. If we break a bar magnet into two halves, we will not get a single north or south pole but two magnets each with its north and south poles.
Q. What are magnetic and nonmagnetic Materials.
Ans. Magnetic Materials : Materials that are attracted by a magnet are called magnetic materials. Objects made of materials such as iron, cobalt and nickel are magnetic objects
Non-Magnetic Materials : Materials that are not attracted by magnets are called non-magnetic materials. Examples of non-magnetic materials include rubber, wood, feather etc
Q. What are different type of magnets? And where are the poles located?
Ans.
Bar Magnet : the poles are located at the ends of the bar.
Horseshoe Magnet : the poles are located at the two free ends of the 'U' shape.
Cylindrical magnet : the poles are located at the two circular ends of the cylinder.
Q. Write any three uses of magnets.
Ans. Magnets are used in:
(a) Magnets are used in magnetic compass, doorbells, refrigerators.
(b) Magnets are used in motors, loudspeakers, microphones
(c) Some magnets are used in computers as well.
Q. Differentiate between temporary magnet and permanent magnet.
Ans.
TEMPORARY MAGNET
1. These magnets lose their magnetic properties as soon as the magnetising force is removed.
2. It cannot convert an ordinary piece of iron into a magnet because of its weak power.
3. It is made of soft (pure) iron.
PERMANENT MAGNET
1. These magnets do not lose their magnetic properties.
2. It can convert an ordinary piece of iron into a temporary magnet.
3. It is made of steel, cobalt and nickel.
Q. How is a magnet demagnetised?
Ans. A magnet can be demagnetized
(a) By dropping it from height several times.
(b) By hammering it.
(c) By passing electric current.
Q. Suggest an arrangement to store bar magnet and a U shaped magnet.
Ans. A U magnet is stored in a wooden box with a soft iron placed at the edge. A bar magnet is kept in pairs with opposite poles facing the same direction and separated by a wooden block. The two edges of the magnet are joined by soft iron bar.
Q. What is a magnetic compass? State its use.
Ans. A magnetic compass is an instrument that is used to find the directions. Different directions (north, south, east and west) are marked on the compass.
Q. You are given a magnet with no markings, indicating its poles. How can you identify its poles by using another bar magnet with markings?
Ans. The location of the poles of the magnet can be determined by suspending it freely. A freely suspended bar magnet always points in a north-south direction. The end that points towards the north direction is the north pole of the magnet, while the end that points towards the south direction is the south pole of the magnet.
Q. It is advised to keep the magnets away from television, mobiles, CD and computers. Explain why? Give reason.
Ans. Electrical appliances such as television, mobiles, CD, and computers have magnetic storage devices as well as other electrical circuits inside them. When we bring external magnets near these appliances, the external magnets will interfere with the components of the appliances and can damage them.
Q. How a piece of iron can be magnetized by single touch method?
Ans. In single touch method rub the iron piece on a magnet for several times, the iron piece will be magnetized.
Q. How will you test that ‘tea dust’ is not adulterated with iron powder?
Ans. It can be tested whether tea dust is adulterated with iron powder or not if we use a magnet. We move the magnet over the tea dust then if it's adulterated, iron powder will be attracted to the magnet and if it's not then magnet will come out clean.
Q. Three identical iron bars are kept on a table. Two out of three bars are magnets. In one of the magnets, the North-South poles are marked. How will you find out which of the other two bars is a magnet? Identify the poles of this magnet.
Ans. Take the magnet with North-South poles marked. Keep it close with both the iron bars, and both will be attracted to it as both are magnetic. So test each of the two magnet bars one by one for repulsion test. If the first bar you took, repulses the marked magnet bar then it is the second magnet bar. The magnets attract and repel both, while iron only attracts.
Class 6 Science Chapter 10 Extra Questions.
Here at MSEducator.in you get Complete FREE Study Material for Class 6 Science Chapter 10 Fun with Magnets.
Which includes :-
# Class 6 Science Chapter 10 Explanation.
# Class 6 Science Chapter 10 Important Questions.
# Class 6 Science Chapter 10 - Long Answer Questions :
Q. How was magnet discovered?
Ans. Once upon a time in Greece, there lived a shepherd named Magnes. He used to take his herd of sheep and goats to the nearby mountains for grazing. He used to carry a stick with small piece of iron attached to it for controlling his herd. One day he was surprised to find that he had to pull hard to free his stick from a rock on the mountainside. The rock was a natural magnet that attracted the iron tip of the shepherd’s stick. This was how magnet was discovered. Such rocks were given the name magnetite, perhaps after the name of that shepherd.
Q. Where are the poles of bar magnet located? Suggest a method to locate them. Draw a diagram.
Ans. The poles of bar magnet are located at its two end point.
Method to locate the poles of bar magnet:
Step 1. Place the bar magnet on piece of paper.
Step 2. Sprinkles the iron filling on the bar magnet.
Q. List the properties of poles of the magnet.
Ans. Some very important properties the poles of a magnet are :
1. A freely suspended magnet always comes to rest in the north-south direction.
2. Attraction is maximum at the poles of a magnet. It is because these points have maximum magnetic strength. On moving towards the centre, the magnetic power keeps on decreasing.
3. Both the poles of a magnet have approximately same capacity to attract.
4. Two poles of a magnet can never be separated. This means that the poles of a magnet always exist in pair in a piece of a magnet.
5. Similar poles repel each other while the opposite poles attract each other.
Q. What are the uses of magnets?
Ans. The uses of magnets are as follows :
1. ATM, credit and debit cards have a magnetic strip that stores information and enables transactions of money.
2. Magnetic recording devices such as VHS, audio cassettes, computers, floppy disks and hard disks have magnets for recording data.
3. Magnets are used in junk yards to separate iron objects from other waste materials.
4. Magnetic compass is used to find directions. It has a small magnetic needle at its centre.
5. Maglev or Magnetic levitation trains have been developed in America, China and Japan. These trains are without wheels and move a little above the rails. The trains are pulled by the magnetic force that acts on the rails.
Q.
(a) Identify the diagram and name the process.
Ans. It is single touch method of making magnet. Single touch method is one of various ways of making a magnetic material like soft iron into a magnet. In this method one end of the magnet (say north pole) is placed at one end (say end A) of the iron piece and then rubbed over the bar from end to other (say end B), then lifted and brought back to first end.
(b) How does this method affect the alignment of particles in the needle?
Ans. The continuous stroking will align the magnetic dipole domains in the iron bar identical to the pole with which the bar is stroked. i.e., the left end of the iron bar being rubbed with the north pole of a bar magnet results in forming a north pole at the left end.
(c) What kind of magnet will be produced by this method? Why?
Ans. Permanent magnet is produced as its magnetism lasts for longer period of time.
Class 6 Science Chapter 10 Extra Questions.
Here at MSEducator.in you get Complete FREE Study Material for Class 6 Science Chapter 10 Fun with Magnets.
Which includes :-
# Class 6 Science Chapter 10 Explanation.
# Class 6 Science Chapter 10 Important Questions.
# Class 6 Science Chapter 10 - Value Based Questions :
Q. Sarika went to a fair nearby her house. She saw a stall with lots of people gathering there playing some game. She also went there. The game was to put a small iron ball into a hole named as ‘prize’ and if somebody does so they will win a great prize for that. There were 3 more holes adjacent to the ‘prize’ hole which do not have any gift or prize. Nobody was able to put the ball into the prize hole. Sarika got the trick of the shopkeeper that he had put a magnet near the mouth of each hole except the ‘prize’ hole. She made all the people aware of the wicked trick made by the shopkeeper. All of them praised Sarika for her intelligence.
(a) What is a magnet?
Ans. Substance that has the property of attracting object made of iron, cobalt and nickel is magnet.
(b) Name any three types of magnet.
Ans. Three types of magnet are bar magnet, U-shaped magnet and ring or disc-shaped magnet.
(c) What values of Sarika is shown here?
Ans. Sarika is an intelligent, self-aware, helpful and knowledgeable girl.
Q. Aslam with his mother went to the market to buy some fresh vegetables. Aslam’s mother asked the shopkeeper to give 1 kg tomatoes. While the shopkeeper was weighing tomatoes, Aslam observed something attached below one of the pan of the beam balance. He at once informed this to his mother. His mother scolded the shopkeeper for using unfair means. The shopkeeper felt sorry for this.
(a) What do you think was attached below the pan of a beam balance by the shopkeeper?
Ans. Magnet was attached to the pan of the beam balance.
(b) What are the other uses of the thing you have mentioned above?
Ans. Magnets are used in refrigerator, tape recorder, CD, TV, etc.
(c) What values of Aslam is shown here?
Ans. Aslam is alert, intelligent, aware and conscious boy.
Class 6 Science Chapter 10 Extra Questions.
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# Class 6 Science Chapter 10 Explanation.
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Fun With Magnets class 6 mcq
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