Class 6 Science Chapter 13 Fun with Magnets answer to each chapter is provided in the list so that you can easily browse throughout different chapter Assam Board As Per New Syllabus Class 6 Science Chapter 13 Fun with Magnets and select needs one.
SEBA Class 6 Science Chapter 13 Fun with Magnets
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Fun with Magnets
Chapter: 13
| Exercise |
1. Fill in the blanks in the following:
(i) Artificial magnets are made in different shapes such as ………………, .……………., and …………….
Ans: Bar magnet, horse shoe, and cylindrical.
(ii) The materials which are attracted towards a magnet are called ………………
Ans: Magnetic.
(iii) Paper is not a …………….. material.
Ans: Magnetic
(iv) In olden days, sailors used to find direction by suspending a piece of ………………
Ans: Magnet.
(v) A magnet always has ………………. Poles.
Ans: Two.
2. State whether the following statements are true or false:
(i) A cylindrical magnet has only one pole.
Ans: False.
(ii) Artificial magnets were discovered in Greece.
Ans: False.
(iii) Similar poles of magnet repal 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.
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.
3. 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 might have been used to make some part of it.
4. Column I shows different positions in which one pole of a magnet is placed near that of the other. Column II indicates the results between them for each situation.
Fill in the Blanks:
| Column – I | Column – II |
| N-N | _ _ _ _ _ _ |
| N– _ _ _ _ _ _ | Attraction |
| S-N | _ _ _ _ _ _ |
| _ _ _ _ _ _ – S | Repulsion |
Ans:
| Column – I | Column – II |
| N-N | Repulsion |
| N-S | Attraction |
| S-N | Attraction |
| S-S | Repulsion |
5. Write any two properties of a magnet.
Ans: Two properties of a magnet are:
(i) A magnet has two poles: North pole and South pole.
(ii) Like poles repel each other and unlike poles attract each other.
6. Where are poles of bar magnet located?
Ans: Poles of bar magnet located on two ends of a bar magnet.
7. A bar magnet has no markings to indicate its poles. How would you find out near which end is its north pole located?
Ans: A freely suspended bar magnet always comes to rest in the N-S direction. The north facing end of the magnet is its north pole, the south facing end is its south pole. Hence the unknown poles of a bar magnet can be marked by suspending it freely by a string.
8. You are given an iron strip. How will you make it into a magnet?
Ans: Take an iron strip. Place it on the table. now take a bar magnet and place one of its poles near one edge of the bar of iron. Without lifting the bar magnet, move it along the length of the iron bar till you reach the other end. Now, lift the magnet and bring the pole to the same point of the iron bar from which you began. Repeat this process about 30-40 times. Bring a pin or some iron filings near the iron bar to check whether it has become a magnet.
9. How is a compass used to find directions?
Ans: A compass always shows north and south directions. By keeping this as a reference, we can always find East and West directions also.
10. A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. The Effect observed in each case is stated in Column I. Possible reasons for the observed effects are mentioned in column II. Match the statements given in column I with those in column II.
Answer:-
| Column – I | Column – II |
| The boat gets attracted to the magnet | The boat is made of a magnetic material |
| The boat is not affected by the magnet | The boat is made of a non-magnetic material |
| The boat moves towards the magnet if the north pole of the magnet is brought near its head | The boat is fitted with a magnet with the south pole towards its head |
| The boat moves away from the magnet the north pole is brought near its head when | The boat is fitted with a magnet with the north pole towards its head |
| Boat Floats without changing its directing | The boat has a small magnet fixed along its length |
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