Tutorial World Primary 3
 
Name:_________________________ Date:_______________
 

Magnets (6.1)

A. Write the number of the correct answer in the brackets.
1. A freely suspended bar magnet will ________. ()
(1)
(2)
(3)
(4)

 
come to rest in a north-south direction
keep rotating clockwise
sway from side to side
stay in position with no movement
2. Which statement about magents is true? ()
(1)
(2)
(3)
(4)

 
Like poles attract.
Magnets are always bar shape.
All magnets are natural magnets.
Unlike poles attract.
3. The pull of a magnet is strongest at ________. ()
(1)
(2)
(3)
(4)

 
the north pole
the south pole
both the poles
all points on the magnet
4. Which of the following is an application of magnets? ()
(1)
(2)
(3)
(4)

 
Separate iron from other objects.
Material for construction workers helmets.
Detect different types of wood.
Checking glass transparency.
5. An iron nail can be magnetised by ________. ()
(1)
(2)
(3)
(4)

 

knocking it against a magnet
suspending it freely in the air
passing an electric current through it
stroking it with a magnet
B. Write "T" for true and "F" for false.
1. When magnets attract, there are magnetic forces.
 
()
2. Magnets can attract all metallic substances.
 
()
3. A magnet has either north and south poles or east and west poles.
 
()
4. The needle in a compass is a magnet.
 
()
5. Magnets are being used in loudspeakers.

 

()
C. Fill in the blanks with the most suitable word.
1. Explorers use an instrument called a _______________ to help them with direction.
 
2. Magnets are either _______________ or artificial.
 
3. Substances that are attracted by magnets are known as _______________ substances.
 
4. The north pole of a magnet will attract the _______________ pole of another magnet.
 
5. Magnets must be stored _______________ to ensure they maintain their magnetism.

 

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