DAV Class 6 Science Chapter 13 Solutions

If you are looking for the DAV class 6 Science chapter 13 solutions Magnets then you are at right place. With the help of DAV class 6 Science book solutions, you can easily grasp basic concepts better and faster. It is a perfect guide to help you to score good marks in class 6 science examination.

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DAV Class 6 Science Chapter 13 Magnets Question Answer

DAV class 6 Science book question answer chapter 13 Magnets is given below. Here class 6 Science question answer is provided with great explanation. In this solutions we will solve fill in the blanks, trur or false, tick the correct option, etc.

Highlights

A. Fill in the blanks.
B. True or False.
C. Tick the correct option.
D. Answer the following questions in brief.
E. Answer the following questions.

A. Fill in the blanks.

1. The materials which do not get attracted towards a magnet are called ___________.

2. The bar magnet is an example of a ___________ magnet.

3. Even the smallest piece of a bar magnet has two ___________.

4. Earth has its magnetic ___________ towards its geographical south pole.

5. Magnets have been used for ___________ purposes.

Answer: (1) Non-magnetic materials (2) permanent (3) Magnetic poles (4) north poles (5) different

B. Write True or False for the following statements.

1. Naturally occurring magnets are called loadstones.

2. An aluminium foil would get attracted by a magnet.

3. Bar magnets have a ‘north seeking’ pole as well as a ‘south seeking’ pole.

4. Two magnetic poles, of the same kind, attract each other.

5. When two magnets are moved farther apart from each other, the forces, that attract or repel them, tend to become stronger.

Answer: (1) True (2) False (3) True (4) False (5) False

C. Tick the correct option.

1. The magnetic material, that was discovered first of all, is-

Answer: loadstone

2. A magnet can attract-

Answer: an iron nail

3. A material, that is often used to make a temporary magnet, is-

Answer: soft iron

4. When we suspend a bar magnet from a thread, it comes to rest along the-

Answer: north-south direction

5. A device, which generally does not use a magnet, is-

Answer: a geyser

D. Answers the following questions in brief.

1. State any two properties of a bar magnet.

Answer: Two properties of a bar magnet are-

1. Attractive property: – the magnet is capable of attracting a small piece of iron, steel, etc.

2. Directive property: – a freely suspended magnet always points along the north and south direction.

2. Maximum iron filling stick to the two ends of a bar magnet. Why?

Answer: Maximum iron filling stick to the ends of a bar magnet because strength of a bar magnet is maximum near the poles.

3. Suppose we bring the north pole of one bar magnet towards the north pole of another freely suspended bar magnet. What are we likely to observe?

Answer: we observe repulsion, when we bring the north pole of one bar magnet towards the north pole of another freely suspended bar magnet.

4. Two magnets, X and Y, are placed as shown in the diagram. It is that magnet X floats above magnet Y. Give reason for this observation.

Answer: Magnet X floats above magnet Y, because of the two magnets X and Y are having same poles towards each other.

5. You are given a knitting needle made of steel. How can you make it into a magnet?

Answer: We can make the steel needle into a magnet by placing it near a bar magnet for some time, this is because the needle acquires some magnetism.

E. Answer the following questions.

1. Distinguish between the following:

(a) permanent magnets and temporary magnets.

Permanent magnets	Temporary magnets
These are magnets that once made remain as magnets for a long period of time.	These are magnets that once made remain as a magnet only for a short interval of time.
Steel, cobalt steel, alnico and ticanol are some of the materials that are used for making permanent magnets	Soft iron and nickel are two of the materials used for making temporary magnets.

(b) magnetic and non-magnetic materials.

Magnetic materials	Non magnetic materials
Materials which get attracted towards a magnet are called magnetic materials.	Materials that do not get attracted towards a magnet are called non magnetic materials.
Examples: Iron, Steel, cobalt, nickel etc.	Examples: Paper, wood, straws etc.

2. Two bar magnets, ‘P’ and ‘Q’ are kept as shown in the following diagram.

(a) If Point ‘c’ represents the south pole of the magnet Q, which point represents the north pole of magnet P?

(b) What will happen when the end ‘d’, of magnet ‘Q’ is brought towards the end ‘b’ of magnet ‘P’?

Answer: (a) point ‘a’ represents the north pole of magnet P.

Answer: (b) attraction will happen when the end ‘d’, of magnet ‘Q’ is brought towards the end ‘b’ of magnet ‘P’.

3. Describe, in brief, the construction of a compass needle. State its main use.

Answer: The compass Consists of a magnetic needle pivoted at its centre and free to rotate a horizontal plane. The needle is fitted in a horizontal box having a glass cover. The compass also has a dial with directions mark on it.

It is used to locate the north and south direction at a place.

4.  Draw a labelled diagram to show the proper way of storing two bar magnets’, when they are not in use. State the advantage of such a ‘proper storing’.

Answer: diagram to show the proper way of storing two bar magnets’, when they are not in use

Advantages of proper storing of bar magnets is- Bar magnets do not lose their magnetism for long period of time.

5. Write the different ways through which magnets can be made to lose their magnetism.

Answer: Different ways through which magnets can be made to lose their magnetism are –

• Magnets lose their magnetic properties when heated or mishandled (dropped/hammered).
• If magnets are not stored properly their strength keeps on decreasing with time.

6. Anushtha saw a steel clip at the bottom of a very shallow puddle of water. She used a magnet, to take out this clip, without wetting her hands, or the magnet. Describe how she must have done this.

Answer: she must have done this with the help of a strong magnet which can attract the steel clips located at the bottom of a very shallow puddle of water.