Exploring Magnets Class 6 - Chapter 4 Curiosity

(Page 74) Fill in the Blanks :- Unlike poles of two magnets …..………… each other whereas like poles …..…… each otherUnlike Poles
North - South attract
Like Poles
North - North repel
South - North attract
South - South repel

(Page 74) Fill in the Blanks :- The materials that are attracted towards a magnet are called ………………………..…… .Iron fillings are magnetic material

(Page 74 ) Fill in the Blanks :- The needle of a magnetic compass rests along the ………………….. direction. North Pole
South Pole

(Page 74) Fill in the Blanks :- A magnet always has ……….. Poles .North Pole
South Pole

(Page 74) State whether the following statements are True (T) or False (F). A magnet can be broken into pieces to obtain a single pole. False, because if we break a magnet into pieces then even in small piece, there will be North and South Pole
So, a magnet cannot exist with Single Pole
Unbroken Magnet
North Pole
South Pole
Broken Magnet
North Pole
South Pole

(Page 74) State whether the following statements are True (T) or False (F). Similar poles of a magnet repel each other.True
North - North repel
South - South repel

(Page 74) State whether the following statements are True (T) or False (F). Iron filings mostly stick in the middle of a bar magnet when it is brought near them. False, the Iron fillings stick more to poles of magnet instead of middle of a bar magnet
More Iron fillings stick to sides of magnet
Less iron fillings in the centre

(Page 74) State whether the following statements are True (T) or False (F). A freely suspended bar magnet always aligns with the north-south direction. True

(Page 75) Column I shows different positions in which one pole of a magnet is placed near that of the other. Column II indicates the resulting interaction between them for different situations. Fill in the blanks.North - South attract
North - North repel
South - North attract
South - South repel
Column I Column II
--- Repulsion ----
Attraction
--- Attraction ---
Repulsion

(Page 75) Atharv performed an experiment in which he took a bar magnet and rolled it over a heap of steel U-clips (Fig. 4.15). According to you, which of the options given in Table is likely to be his observation?Position A Position B Position C
(i) 10 2 10
ii) 10 10 2
iii) 2 10 10
iv) 10 10 10More Steel U- Clips stick to the poles of the magnet
So, (i) is likely to be his observation

(Page 75) Reshma bought three identical metal bars from the market. Out of these bars, two were magnets and one was just a piece of iron. How will she identify which two amongst the three could be magnets (without using any other material)?Bring two bars together
If they attract on one side and repel on other side then both of these are magnets and third one will be a piece of iron

(Page 75) You are given a magnet which does not have the poles marked. How can you find its poles with the help of another magnet which has its poles marked?We have two bar magnets – one marked and one unmarked
Bring North Pole of marked magnet near the other magnet
If they repel , that end of the unmarked magnet is also N
If they attract , that end of the unmarked magnet is S

(Page 76) A bar magnet has no markings to indicate its poles. How would you find out near which end its North pole is located without using another magnet?
Suspend the bar magnet freely using a thread tied around its middle, so it can rotate in the horizontal plane
Allow it to come to rest naturally
The magnet will align itself in the north - south direction
The end pointing towards the Geographic North is the North pole of the magnet
The other end, pointing towards the Geographic South, is the South pole
South Pole
North Pole

(Page 76) If the earth is itself a magnet, can you guess the poles of earth’s magnet by looking at the direction of the magnetic compass?This is N
So, it is pointing to North Pole of Earth
This is S
So, it is pointing to South Pole of Earth

(Page 76) While a mechanic was repairing a gadget using a screw driver, the steel screws kept falling down. Suggest a way to solve the problem of the mechanic on the basis of what you have learnt in this chapter .The mechanic can magnetize the screwdriver by rubbing one pole of a bar magnet along its length several times in the same direction. As a result, the screwdriver becomes a temporary magnet.
The screws will now stick to its tip, preventing them from falling while the mechanic works.

(Page 76) Two ring magnets X and Y are arranged as shown in Fig. 4.16. It is observed that the magnet X does not move down further. What could be the possible reason?It is because the like poles of X and Y are together and they repel each other
Suggest a way to bring the magnet X in contact with magnet Y, without pushing either of the magnets.We will put one magnet upside side Now, opposite poles will face each other, and attraction will occur.

(Page 76) Three magnets are arranged on a table in the form of the shape shown in Fig. 4.17. What is the polarity, N or S, at the ends 1, 2, 3, 4 and 6 of the magnets? Polarity of one end (5) is given for you.