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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 I | Column 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 I | Column 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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