Online Test — Exploring Magnets
15 Questions • 15 min • Chapter MCQ
15:00
Question 1 of 15
A magnet attracts objects made mainly of:
Wood
Iron
Plastic
Glass
Explanation: Iron is a magnetic material attracted by a magnet.
Question 2 of 15
Which of these is a non-magnetic material?
Nickel
Cobalt
Copper
Iron
Explanation: Copper is non-magnetic; iron, nickel and cobalt are magnetic.
Question 3 of 15
The natural magnet is an ore of iron called:
Bauxite
Magnetite
Graphite
Gypsum
Explanation: Magnetite is the naturally occurring magnetic ore of iron.
Question 4 of 15
Every magnet has:
Only one pole
Two poles
Three poles
No poles
Explanation: Every magnet has a north and a south pole.
Question 5 of 15
The magnetic pull of a bar magnet is strongest at its:
Middle
Poles
Top face
Edges
Explanation: The force is strongest at the two poles.
Question 6 of 15
When a bar magnet is broken into two, each piece:
Loses all magnetism
Has only one pole
Becomes a complete magnet with two poles
Has three poles
Explanation: A single pole cannot exist; each piece is a full magnet.
Question 7 of 15
Two south poles brought near each other will:
Attract
Repel
Do nothing
Stick permanently
Explanation: Like poles repel each other.
Question 8 of 15
A north pole and a south pole brought close will:
Repel
Attract
Melt
Disappear
Explanation: Unlike poles attract.
Question 9 of 15
The sure test to identify a magnet is:
Attraction with iron
Repulsion
Its weight
Its colour
Explanation: Only two magnets can repel, so repulsion is the sure test.
Question 10 of 15
A freely suspended bar magnet always rests pointing:
East-West
North-South
Up-Down
Towards the Sun
Explanation: A free magnet aligns north-south, the basis of the compass.
Question 11 of 15
The region around a magnet where its force acts is called the:
Magnetic field
Magnetic pole
Compass
Keeper
Explanation: The magnetic field is the region of influence around a magnet.
Question 12 of 15
A steel needle can be turned into a magnet by:
Cooling it in a fridge
Stroking it in one direction with a magnet
Painting it
Washing it
Explanation: Stroking in one direction with a magnet magnetises the needle.
Question 13 of 15
A device that uses a magnetised needle to show direction is the:
Thermometer
Compass
Balance
Barometer
Explanation: A magnetic compass shows direction.
Question 14 of 15
Which action can make a magnet lose its magnetism?
Storing it with a keeper
Heating it strongly
Keeping it still
Keeping it dry
Explanation: Strong heating, dropping or hammering weakens a magnet.
Question 15 of 15
At a scrapyard, a large magnet is used to:
Cut metal
Separate iron objects from other waste
Weigh the waste
Heat the metal
Explanation: The magnet attracts and lifts iron, separating it from non-magnetic waste.