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MCQ Questions for Class 6 Science Chapter 13 Fun with Magnets with Answers

 

Fun with Magnets Class 6 MCQs Questions with Answers

I. Choose the correct option.

Question 1.
The word magnet is derived from the old French word
(a) magnesia
(b) maguos
(c) magnete
(d) magnetum

Answer

Answer: (c) magnete


Question 2.
Who was the discoverer of magnet?
(a) Newton
(b) Einstein
(c) Aryabhatta
(d) Magnes

Answer

Answer: (d) Magnes


Question 3.
The ore of magnet is called
(a) magnetite
(b) magnesia
(c) bauxite
(d) hematite

Answer

Answer: (a) magnetite


Question 4.
Which of the following is a natural magnet?
(a) Lodestone
(b) Bar magnet
(c) Ball-ended magnet
(d) Horse-shoe magnet

Answer

Answer: (a) Lodestone


Question 5.
Which of the following is an artificial magnet?
(a) Bar magnet
(b) Horse-shoe magnet
(c) Disc shaped magnet
(d) All of these

Answer

Answer: (d) All of these


Question 6.
Which of the following is a magnetic material?
(a) Paper
(b) Iron
(c) Wood
(d) Stone

Answer

Answer: (b) Iron


Question 7.
Which of the following is a non-magnetic material?
(a) Iron
(b) Cobalt
(c) Glass
(d) Nickel

Answer

Answer: (c) Glass


Question 8.
A bar magnet is immersed in a heap of iron filings and pulled out. The amount of iron filing 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.

Answer

Answer: (a) north pole is almost equal to the south pole.


Question 9.
A freely-suspended bar magnet rests in:
(a) north-south direction
(b) east-west direction
(c) north-east direction
(d) any direction by chance

Answer

Answer: (a) north-south direction


Question 10.
Which of the following makes use of a magnet?
(a) A shirt button
(b) A screwdriver
(c) A can opener
(d) A door stopper

Answer

Answer: (d) A door stopper


Question 11.
The two ends of the magnet are called
(a) poles
(b) strength
(c) north
(d) south

Answer

Answer: (a) poles


Question 12.
Attraction is maximum at the
(a) centre
(b) poles
(c) both (a) and (b)
(d) None of these

Answer

Answer: (b) poles


Question 13.
Which of the following can be converted into a magnet?
(a) Iron
(b) Wood
(c) Stone
(d) Clay

Answer

Answer: (a) Iron


Question 14.
Which of the following items cannot be picked by a magnet?
(a) Hair pins
(b) Paper clips
(c) Iron nails
(d) Aluminium foils

Answer

Answer: (d) Aluminium foils


Question 15.
Which of the following in a ship helps to move it in the right direction?
(a) A thermometer
(b) A speedometer
(c) An anchor
(d) A compass

Answer

Answer: (d) A compass


Question 16.
The magnets which lose their property of magnetism after a short period of time are called
(a) permanent magnets
(b) temporary magnets
(c) natural magnets
(d) lodestones

Answer

Answer: (b) temporary magnets


Question 17.
What happens when we hit a magnet with a hammer?
(a) It gains more magnetic force
(b) It demagnetises
(c) The north and south poles change positions
(d) None of the above

Answer

Answer: (b) It demagnetises


Question 18.
The magnetic properties of a magnet can be destroyed by
(a) hammering
(b) heating
(c) dropping
(d) all of these

Answer

Answer: (d) all of these


Question 19.
We can use a magnet to separate
(a) rubber bands from pieces of aluminium foil
(b) pieces of copper wire from glass beads
(c) steel staples from sand
(d) iron filings from sand

Answer

Answer: (d) iron filings from sand


Question 20.
Magnetic compass is also called
(a) direction
(b) mariners compass
(c) Maglev
(d) none of these

Answer

Answer: (b) mariners compass


II. Fill in the Blanks

Question 1.
A hidden live wire can be detected by using a ………………

Answer

Answer: compass


Question 2.
The test which confirms that the given piece of the object is a magnet is ………………

Answer

Answer: repulsion


Question 3.
……………… occur naturally in the environment.

Answer

Answer: Magnetite


Question 4.
On the basis of their occurrence, magnets are classified as ……………… and ………………

Answer

Answer: artificial magnets; natural magnets


Question 5.
In a bar magnet, magnetic attraction is ……………… near it ends.

Answer

Answer: more


Question 6.
Iron is a ……………… material.

Answer

Answer: magnetic


Question 7.
……………… is a non-magnetic material.

Answer

Answer: Wood


Question 8.
The ends of a magnet are called ………………

Answer

Answer: poles


Question 9.
Similar poles of two magnets ……………… one another.

Answer

Answer: repel


Question 10.
A compass needle always points in a ……………… direction.

Answer

Answer: north-south


Question 11.
The attraction of a magnet is strongest at its ………………

Answer

Answer: poles


Question 12.
Magnetic poles always ……………… in pairs.

Answer

Answer: hammering


Question 13.
Magnets can be degmagnetised by ………………

Answer

Answer: exist


Question 14.
Magnetic effect can pass through ………………

Answer

Answer: screen


Question 15.
The strongest magnet out of a bar and a horse-shoe magnet is ………………

Answer

Answer: horse-shoe


III. True or False

Question 1.
Chemically lodestone is oxides of iron.

Answer

Answer: True


Question 2.
It is possible to obtain an isolated south pole of a magnet.

Answer

Answer: False


Question 3.
Magnetite is a natural magnet.

Answer

Answer: True


Question 4.
Magnet was discovered by Newton.

Answer

Answer: False


Question 5.
A wooden material can be magnetised.

Answer

Answer: False


Question 6.
If we break a bar magnet into two then each piece will have two poles.

Answer

Answer: True


Question 7.
Compass needle is made of a magnet.

Answer

Answer: True


Question 8.
Heat cannot destroy magnetic properties of a magnet.

Answer

Answer: False


Question 9.
There is a maximum attraction in middle of a bar magnet.

Answer

Answer: False


Question 10.
Our earth behaves as a huge magnet.

Answer

Answer: True


IV. Match the following

Column IColumn II
1. Magnes(a) Artificial magnet
2. Magnetite(b) Discoverer of magnet
3. Bar magnet(c) Magnetic materials
4. Iron(d) Used to find out direction
5. Clay, plastic(e) Repel each other
6. Compass(f) Magnetisation
7. Similar poles of two magnets(g) Non-magnetic material
8. Hammering of magnets(h) Natural magnet
9. Rubbing of magnets on iron(i) Demagnetisation
Answer

Answer:

Column IColumn II
1. Magnes(b) Discoverer of magnet
2. Magnetite(h) Natural magnet
3. Bar magnet(a) Artificial magnet
4. Iron(c) Magnetic materials
5. Clay, plastic(g) Non-magnetic material
6. Compass(d) Used to find out direction
7. Similar poles of two magnets(e) Repel each other
8. Hammering of magnets(i) Demagnetisation
9. Rubbing of magnets on iron(f) Magnetisation


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