-

CLASS - 6 SCIENCE CHAPTER - 13 FUN WITH MAGNETS  QUESTIONS AND ANSWERS

Question no. 1

Fill in the blanks in the following.

 (i) Artificial magnets are made in different shapes such as __________________,____________________ and __________________.
(ii) The materials which are attracted towards a magnet are called _______________________.
(iii) Paper is not a ___________________ material.
(iv) In olden days, sailors used to find direction by suspending a piece of ______________________.
(v) A magnet always has ____ poles.

Answer no. 1

(i) Bar magnet,horse shoe and cylindrical.
(ii) Magnetic
(iii) Magnetic
(iv) Magnet
(v) Two

Question no. 2

State whether the following statements are true or false:

(i) a cylindrical magnet has only one pole.
(ii) artificial magnet were discovered in Greece.
(iii) similar poles of a magnet repel each other.
(iv) maximum iron filling stick in the middle of bar magnet when it is brought near them.
(v) bar magnet always point towards north - south direction.
(vi) compass can be used to find east - west direction at any place.
(vii) rubber is a magnetic material.

Answer no. 2

(i) False
(ii) False
(iii) True 
(iv) False
(v) True
(vi) True
(vii) False

Question no. 3

It was observed that a pencil sharpener get 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.

Answer no. 3

Some portion of sharpener is made of iron because of this it is attracted by both the poles of magnet.

Question no. 4

4.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 no. 4

Column I                                    Column II

 N - N                                             Repulsion
N - S                                              Attraction
S - N                                              Attraction
S - S                                               Repulsion

Question no. 5

Write any two properties of a magnet.

Answer no. 5


1 - magnet direct the side in North and South direction.
2 - it attracts the objects made of iron, nickle, cobalt.

Question no. 6

Where are poles of a bar magnet located?

Answer no. 6

At the end of the bar magnet.

Question no. 7

A bar magnet has no markings to indicate its poles. How would you find out
near which end is its north pole located?

Answer no. 7

Bar magnet is hanged in the air. The end of the magnet that points towards north is called north pole and the other end point in South is called South Pole.

Question no. 8

You are given an iron strip. How will you make it into a magnet?

Answer no. 8

Place the iron strip on table. Take a bar magnet and place one of its poles near one edge of iron. Without lifting the bar magnet, move it along the length of iron strip till you reached other and of iron strip. Now lift the magnet and bring the pole (the same pole you started with) to the same point of iron strip from where you began. Move the magnet again along the iron bar in the same direction as it done before. This process is repeated 30-40 time. After this process the iron strip will have the property of magnet.

Question no. 9

How is a compass used to find directions?

Answer no. 9

The needle of compass is made of magnet which rotate freely. According to the property of magnet it rest in North and South side. Direction is traced out.

Question no. 10

A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. Affect observed in each case stated in column I. Possible reasons for the observed affects are mentioned in column II. Mat the statement given in column I with those in column II.

Answer no. 10

Column I                            Column II

 1. Boat gets attracted    1. Boat is made 
   towards the magnet      of magnet material.

 2. Boat is not affected  2. Boat is made up 
    by the magnet.                non magnetic material.

 3. Boat moves towards  3. Boat is fitted with a magnet
     the magnet if the            with south pole towards
    north pole of the            its head.
     magnet is brought
  near its head.

4. Boat moves away        4. Boat is fitted  with a magnet 
    from the magnet              with north pole towards
    when north pole                its head.
     is brought near 
     its head.

 5.  Boat floats without    5. Boat has a small magnet 
      changing its                     fixed along its length.
      direction.

 Also see answers of the following chapters -

Garbage in Garbage out
Air around us
Water
Fun with Magnets
Electricity and Circuits
Light, Shadow and Reflection
Motion and Measurement of Distances
The Living Organisms and their Surroundings
Body Movements
Getting to know Plants
Changes Around Us
Separation of Substances
Sorting Material into Groups
Fibre to Fabric
Components of Food
Food : Where does it com from ?
     

Comments

Post a Comment

Popular posts from this blog

-
ENGLISH CLASS - 6  CHAPTER - 8 A GAME OF CH ANCE    WORKING WITH THE TEXT QUESTION A Complete the following sentences from memory choosing a phrase from those given in brackets. 1. --------------------------was held at the time of Eid festival.( A big show, A big fair, A big competition) 2. Tradesmen came to the village with all  kinds of goods ----------. (to display, to buy, to sell) 3. Uncle told me -------------- while  he was away.(not to buy anything, not to go anywhere, not to talk to anyone) 4. The owner of the Lucky Shop wanted everybody present ------------------------- .  (to play the game, to win a prize, to try their luck) 5. The first time I took a chance I got --------------.(a bottle of ink, two pencils, a trifle) 6. Uncle told me that the shopkeeper had made --------------.(a fool of me, a good profit, friends with many people) ANSWER 1. A big fair 2. to sell 3. not to buy anything 4. to try their luck 5. two...
Read more
-
SCIENCE CLASS 10 CHAPTER -1 CHEMICAL REACTION AND EQUATIONS QUESTION 1.     Which of the statements about the reaction below are incorrect?           2PbO(s) + C(s) → 2Pb(s) + CO2 2 (g) (a)Lead is getting reduced. (b)Carbon dioxide is getting oxidised. (c)Carbon is getting oxidised. (d)Lead oxide is getting reduced. (i)(a) and (b)                             (ii)(a) and (c) (iii)(a), (b) and (c)                    (iv)all ANSWER (i)(a) and (b) QUESTION 2. Fe 2 O 3 + 2Al → Al 2 O 3 + 2Fe The above reaction is an example of a (a)combination reaction. (b)double displacement reaction. (c)decomposition reaction. (d)displacement reaction. ANSWER (d)displacement reaction. QUESTION 3. What happens when dilute hydrochloric acid is added to iron fillings? Tick the correct answer. (a)Hydrogen gas and iron...
Read more

FULL FORM OF NSCCL

-
     NSCCL stand for National Securities Clearing Corporation of India Limited.Now it is known as NSE clearing limited. It is a wholly owned subsidiary of NSE which is responsible for clearing and settlement of all trades executed on NSE and deposit and collateral management and risk management function.It was the first clearing corporation to be established in India and introduced as settlement guarantee before it became a regulatory requirement. OBJECTIVE OF NSCCL There are some objectives of the NSCCL which are as follows- 1. To bring and sustain confidence in clearing and settlement of securities. 2. Promoting and maintaining short and consistent settlement cycles. 3. Provides counter party risk guarantee. 4. To operate a tight risk containment system.      As per CRISIL,the rating reflects NSCCL's status as Clearing Corporation for NSE. The rating also factors in NSCCL's rigorous risk management controls and adequate settlement guarant...
Read more