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WorksheetsMagnets
Total questions: 17
Worksheet time: 9mins
The diagram shows an object 'X' being attracted to magnet A.
Which one of the following materials could object 'X' be made of?
Steel
Gold
Copper
Aluminium
Richard dropped his keychain into a drain. To get it out, he made use of a magnet. Why was this possible?
His magnet is very strong.
His magnet has north and south poles.
His keychain was made of a magnetic material.
His keychain was made of a non-magnetic material.
Four similar-sized magnets, A, B, C and D are hung from strings of different lengths as shown in the picture. A plastic tray of iron pins was placed below the magnets and a different number of pins are observed to be attracted to the magnets.
Which magnet is most likely the strongest?
A
B
C
D
Shanti placed some objects on a tray as shown in the picture.
She brought a bar magnet to each object on the tray one at a time.
Which one of the following items was attracted to the bar magnet?
the screw
the eraser
the feather
the matchstick
The diagrams show magnets of two different shapes, X and Y.
Based on the diagrams shown, which of the following parts of the magnets can attract more pins?
1 and 3 only
1 and 4 only
2 and 3 only
2 and 4 only
The diagram shows what happens when three ring magnets are placed around a wooden stick.
Which poles could P and Q be?
1.P: North; S: North
2.P: North; S: South
3.P: South; S: North
4.P: South; S: South
1
2
3
4
When making a magnet using the 'stroke' method, the strength of the magnet can be increased by ________________.
stroking it repeatedly in all directions
stroking it more times in the same direction
heating it with a flame in the same direction
dropping it several times from different heights
Which of the following does not make use of magnets?
Linda conducted an experiment to form electromagnets as shown in the picture.
In which set-up would the electromagnet be the strongest?
E
F
G
H
Which of the following is not a use of magnets?
Opening a key lock
Closing a refrigerator door
Storing information in ATM cards
Showing directions in compasses
The picture shows an electromagnet lifting some objects.
What can the electromagnet lift?
Scrap iron
Plastic bags
Copper sheets
Aluminium cans
Look at the picture of the magnet.
Which part(s) of the magnet will attract the most paper clips?
A and B
D and E
B and D
A and E
In the experiment set-up shown in the picture, the rod will be able to attract paper clips if it is made of _______________.
A - Aluminium
B - Iron
C - Steel
A or B
A or C
B or C
A, B or C
Jane conducted an experiment with a bar magnet as shown in the picture.
What conclusion can Jane make from her observation above?
Magnets are weakest at its poles.
Magnets are strongest at its poles.
The paper clips are made of non-magnetic materials.
Only the poles of the magnets attract the paper clips.
The diagram shows four similar magnets with different strengths and some thumbtacks placed below them.
Which magnet is the strongest?
A
B
C
D
Jane placed two identical ring magnets through a wooden rod as shown in the diagram.
(a) What magnetic poles are A and B? (2 marks)
(i) A:_______
(ii) B:_______
(b) She observed that Magnet Y was floating above Magnet X.
Explain why Magnet Y was floating above Magnet X. (1 mark)
A bar magnet was hung as shown in the picture. The magnet came to rest after some time.
In what direction would the magnet come to rest? (2 marks)
