Magnetism II - JSS3 Basic science Past Questions and Answers - page 1
What are the two types of magnetic poles?
North and south poles
East and west poles
Positive and negative poles
Red and blue poles
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What is the region around a magnet where its force can affect other objects called?
Magnetic region
Force zone
Magnetic field
Magnetic sphere
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What happens when opposite magnetic poles are brought near each other?
They repel each other
They attract each other
They spin around each other
They become neutral
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How should you clean magnets?
Use harsh chemicals
Rub vigorously with a rough cloth
Clean gently with a soft cloth
Dip in water
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Which material can magnets attract?
Plastic
Wood
Iron, nickel, and cobalt
Glass
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What can high temperatures do to magnets?
Strengthen them
Demagnetize them
Make them attract non-magnetic materials
Change their color
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How should you store magnets to prevent them from losing their magnetism?
Separately
Near electronic devices
In pairs or with magnetic shielding
In direct sunlight
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What happens when similar magnetic poles are brought near each other?
They attract each other
They repel each other
They merge together
They become neutral
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Which objects should magnets be kept away from to prevent interference?
Books
Electronic devices, credit cards, and pacemakers
Plants
Food
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What can dropping magnets frequently do to them?
Strengthen them
Break or weaken them
Make them attract non-magnetic materials
Change their shape
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