Chapter 13: FUN WITH MAGNETS (WORK SHEET)
Answer the following questions in short:
1. 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.
2. Write any two properties of a magnet.
3. Where are poles of a bar magnet located?
4. A bar magnet has no markings to indicates its poles. How would you find out near which end is its north pole located?
5. You are given an iron strip. How will you make it into a magnet?
6. How is a compass used to find directions?
7. What is a magnet?
8. How do you define magnetism?
9. Name the device used to determine the directions?
10. You are given two identical bars which look as if they might be made of iron. One of them is a magnet. While other is a simple iron bar. How will you find out, which one is a magnet?
11. What will happen if a magnet is brought near a compass?
12. A tailor was stitching buttons on his shirt. The needle has slipped from his hand on to the floor. How will you help the tailor to find the needle?
Question 1
What will happen if take magnetic compass near a bar magnetic?
(a) The needle will deflect
(b) The needle will not deflect
(c) The needle will reverse the direction
(d) None of these
Question 2
The North end of the freely suspended magnet points towards?
(a) Geographical West
(b) Geographical East
(c) Geographical North
(d) Geographical South
Question 3
Which of the following is true of magnets?
(a) Like poles repel each other
(b) Opposite pole attract each other
(c) magnets has two poles (North and South)
(d) All the above
Question 4
What is incorrect of magnets?
(a) Magnetic power is more in the middle of bar magnets
(b) Magnetite is a natural magnet
(c) Magnetic compass always aligned towards North south direction
(d) None of the above
Question 5
A bar magnet is immersed in a heap of iron filings and pulled out. The amount of iron filling clinging to the?
(a) North pole is almost equal to the south pole.
(b) North pole is much more than the south pole.
(c) North pole is much less than the south pole.
(d) Magnet will be same all along its length.
Question 6
Match the column
(p)N-N (u) Attraction
(q)S-N (v) Repulsion
(r) S-S
(s) N-S
(a) P -> V, Q ->U, R-> V, S-> U
(b) P -> U, Q ->V, R-> V, S-> U
(c) P -> V, Q ->U, R-> U, S-> V
(d) None of these
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Question 7
The North Pole of a magnetic needle is painted
(a) red
(b) blue
(c) green
(d) black
Question 8
Statement A: Magnetism of a magnet is lost by Hampering
Statement B: Magnetism of a magnet is lost by breaking it
(a) Statement A is correct only
(b) Statement B is correct only
(c) Both the statement A and B are correct
(d) Both the statement A and B are incorrect
Question 9
Match the column
(p)Nickel (u) Magnetic Material
(q)paper (v) Non-Magnetic Material
(r) Wood
(s) Iron
(a) P -> V, Q ->U, R-> V, S-> U
(b) P -> U, Q ->V, R-> V, S-> U
(c) P -> V, Q ->U, R-> U, S-> V
(d) None of these
Question 10
What are magnetic and nonmagnetic Materials
Question 11
What are different type of magnets? And where are the poles located?
Answers
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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________
(iv) In olden days, sailors used to find direction by suspending a piece of
(v) A magnet always has ________poles.
Ans:
(i) bar magnet, horse-shoe magnet and cylindrical magnet
(ii) magnetic materials
(iii) magnetic
(iv) bar magnet or lode stone
(v) two or a pair of
2. State whether the following statements are true or false:
(i) A cylindrical magnet has only one pole.
(ii) Natural magnets were discovered in Greece.
(iii) Similar poles of a magnet repel each other.
(iv) Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
(v) Bar magnets always point towards North-South direction when suspended freely in air.
(vi) A compass can be used to find East-West direction at any place.
(vii) Rubber is a magnetic material.
Ans:
(i) False
(ii) True
(iii) True
(iv) False
(v) True
(vi) True
(vii) 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 is used to make some part of sharpener due to which it is attracted toward magnet.
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.
NCERT Solutions for Class 6 Science Chapter 13 Fun with Magnets Q4
Ans:
NCERT Solutions for Class 6 Science Chapter 13 Fun with Magnets Q4.1
5. Write any two properties of a magnet.
Ans: Two properties of magnets 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 a bar magnet located?
Ans: Poles are located at the ends of bar magnet just before the ends. These are north and south poles.
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: 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.
8. 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 yob began. Repeat this process about 30-40 times. Bring some iron fillings near the strip and observe that the strip attracts the fillings. 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 13 Fun with Magnets Q8
9. 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 13 Fun with Magnets Q9
10. 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.
NCERT Solutions for Class 6 Science Chapter 13 Fun with Magnets Q10
Ans:
NCERT Solutions for Class 6 Science Chapter 13 Fun with Magnets Q10.1