NCERT Solution for class 6 Science Chapter 10 Fun with Magnets provided here will aid you in better understanding of the concepts involved in CBSE Class 6 Syllabus. Detailed answer and explanations provided here will clear your all doubts and on Concepts of Magnets
Q.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:
(i) bar magnet, horse shoe, cylindrical
(ii) magnetic
(iii) magnetic
(iv) magnet
(v) two
Q.2. State whether the following statements are true or false :
(i) A cylindrical magnet has only one pole.
(ii) Artificial magnets were discovered in Greece.
(iii) Similar poles of a magnet repel each other.
(iv) Maximum iron fillings stick in the middle of a bar magnet when it is brought near them.
(v) Bar magnets always point towards North-South direction.
(vi) A compass can be used to find East-West direction at any place.
(vii) Rubber is a magnetic material.
Answer:
(i) False
(ii) False
(iii) True
(iv) False
(v) True
(vi) True
(vii) False
Q.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.
Answer:
Iron.
Q.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:
- Attracts objects made of iron, nickel or cobalt.
- Directs North-South direction.
Q.6. Where are poles of a bar magnet located ?
Answer:
On two ends of the bar magnet.
Q.7. A bar magnets has no markings to indicate its poles. How would you find out near which end is its north pole located ?
Answer:
The bar magnet is hanged freely with the help of a thread. The end pointing to north is the north pole of the magnet.
Q.8. You are given an iron strip. How will you make it into a magnet ?
Answer :
Iron strip is kept on table. One end of the bar magnet is dragged over the iron strip from one end to the other. This process is repeated. The iron strip becomes magnetised.
Q.9. How is a compass used to find directions ?
Answer:
The compass always show North and South directions. Knowing North-South directions, one can always find out East and West directions also.
Q.10. A magnet was brought from different direction towards a toy boat that has been floating in water in a tub. Affect observed in each case is stated in Column I. Possible reasons for the observed affects are mentioned in Column II. Match the statements given in Column I with those in Column II.
Answer:
- Boat gets attracted towards the magnet : Boat is made of magnetic material
- Boat is not affected by the magnet : Boat is made up of non-magnetic material
- Boat moves towards the magnet if north pole of the magnet is brought near its head : Boat is fitted with a magnet with south pole towards its head
- Boat moves away from the magnet when north pole is brought near its head : Boat is fitted with a magnet with north pole towards its head
- Boat floats without changing its direction : Boat has a small magnet fixed along its length