WorksheetsMagnets
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What is a magnet?
a)
a) A device that produces sound
b)
b) A substance that attracts iron
c)
c) A type of battery
d)
d) A form of light
2.
Which of these is a natural magnet?
a)
a) Steel bar
b)
b) Earth
c)
c) Iron nail
d)
d) Copper wire
3.
Like poles of a magnet ______ each other
a)
a) Attract
b)
b) Repel
c)
c) Ignore
d)
d) Combine with
4.
Magnetic field lines ______
a)
a) Cross each other
b)
b) Never cross
c)
c) Disappear in air
d)
d) Only exist inside the magnet
5.
Why does a temporary magnet lose its magnetism easily?
a)
a) It is made of steel
b)
b) It is hard to magnetize
c)
c) It is easy to magnetize but loses magnetism quickly
d)
d) It is not affected by magnetic fields
6.
What happens when a North pole is brought near a South pole?
a)
a) They repel
b)
b) They attract
c)
c) Nothing happens
d)
d) They cancel each other
7.
Inside a magnet, magnetic field lines travel from:
a)
a) North to South
b)
b) South to North
c)
c) East to West
d)
d) They don’t exist inside
8.
Why does Earth behave like a magnet?
a)
a) Due to its iron core
b)
b) Because of the Moon
c)
c) Due to its water content
d)
d) Because of the Sun
9.
What is the main difference between temporary and permanent magnets?
a)
a) Temporary magnets are always stronger
b)
b) Permanent magnets retain magnetism longer
c)
c) Temporary magnets are natural
d)
d) Permanent magnets are only made of iron
10.
If you break a magnet into two pieces, what happens?
a)
a) Only one piece remains magnetic
b)
b) Both pieces lose magnetism
c)
c) Each piece becomes a new magnet with two poles
d)
d) The pieces attract each other
11.
A student places two bar magnets near each other, and they repel
a)
a) Opposite poles are facing
b)
b) Like poles are facing
c)
c) One magnet is not real
d)
d) The magnets are too weak
12.
Which material would be best for making a permanent magnet?
a)
a) Iron
b)
b) Steel alloy
c)
c) Copper
d)
d) Aluminum
13.
How can you increase the strength of a bar magnet’s field?
a)
a) Place it in water
b)
b) Add more iron filings
c)
c) Place another magnet with the same pole facing it
d)
d) Place another magnet with the opposite pole facing it
14.
If a compass needle points North, what does this indicate about Earth’s magnetism?
a)
a) Earth’s North pole is a magnetic South pole
b)
b) Earth’s North pole is a magnetic North pole
c)
c) The compass is broken
d)
d) Earth has no magnetic field
15.
A magnet attracts a steel paperclip but not a plastic ruler
a)
a) Plastic is a natural magnet
b)
b) Steel contains iron, plastic does not
c)
c) The ruler is too heavy
d)
d) The magnet is too weak
16.
What would happen if you stroke an iron nail with a magnet multiple times in the same direction?
a)
a) The nail becomes a temporary magnet
b)
b) The nail becomes a permanent magnet
c)
c) The nail loses its magnetism
d)
d) Nothing happens
17.
Why do magnetic field lines form closed loops?
a)
a) Because they start and end at the same pole
b)
b) Because they flow continuously from North to South outside and South to North inside
c)
c) Because they cross each other
d)
d) Because they disappear in air
18.
If two magnets attract each other, which of the following is true?
a)
a) Both poles are North
b)
b) Both poles are South
c)
c) One is North, the other is South
d)
d) They are not real magnets
19.
A magnet can attract:
a)
a) Any metal
b)
b) Only iron, nickel, and cobalt
c)
c) Only copper and aluminum
d)
d) Only plastic
20.
How can you demagnetize a permanent magnet?
a)
a) Heat it strongly
b)
b) Freeze it
c)
c) Place it in water
d)
d) Wrap it in plastic
100 %
