Important Questions On 6th Science Chapter 13 For Practice
1. 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.
2. North pole of a magnet can be identified by
(a) Another magnet having its poles marked as North pole and South pole.
(b) Another magnet no matter whether the poles are marked or not.
(c) Using an iron bar.
(d) Using iron filings.
3. Paheli and her friends were decorating the class bulletin board. She dropped the box of stainless steel pins by mistake. She tried to collect the pins using a magnet. She could not succeed. What could be the reason for this?
4. Three identical iron bars are kept on a table. Two out of three bars are magnets. In one of the magnet the North-South poles are marked. How will you find out which of the other two bars is a magnet? Identify the poles of this magnet.
5. A toy car has a bar magnet laid hidden inside its body along its length. Using another magnet how will you find out which pole of the magnet is facing the front of the car?
6. How will you test that тАШtea dustтАЩ is not adulterated with iron powder?
7. You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
8. Suggest an activity to prepare a magnetic compass by using an iron needle and a bar magnet.
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Answers Of Important Questions
1 (a)
2 (a)
3. The pins are made of stainless steel which is a non/magnetic material.
4. The magnet with known poles will attract and repeat two ends of a magnet and attend both the end of an ordinary bar. (Test for repulsion)
5. If the front of the toy car gets attracted to the north pole of the given magnet then it is the south pole of the bar magnet hidden inside the car.
6. By using a magnet. If it has iron powder they will stick on to the magnet.
7. (1) By suspending the metal bars (2) By attracting iron filings (3) Using another magnet.
8. Magnetise the needle and set it in a way that it may rotate freely suspend it.
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Important Questions On Class 6 Science Chapter 13
A freely suspended magnet always aligns in N-S direction.
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