Magnetism - JSS3 Basic science Past Questions and Answers - page 1
What is another name for loadstone?
Ironstone
Magnetite
Hematite
Pyrite
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What is the main component of loadstone?
Aluminum oxide
Iron oxide
Copper oxide
Zinc oxide
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Why was loadstone valuable to ancient sailors?
For building ships
For making jewelry
For navigation
For cooking
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What property of loadstone aligns it with Earth's magnetic field?
Conductivity
Transparency
Magnetism
Flexibility
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What property of loadstone aligns it with Earth's magnetic field?
Conductivity
Transparency
Magnetism
Flexibility
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In what ways have ancient civilizations used loadstone?
For cooking
For navigation
For farming
For building shelters
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What happens when like magnetic poles are brought together?
They attract each other
They repel each other
They neutralize each other
They become stronger
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What is the direction of magnetic field lines outside a magnet?
From north to south
From south to north
From east to west
From west to east
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According to the inverse square law, what happens to the magnetic force when the distance between magnets is doubled?
It quadruples
It doubles
It halves
It reduces to one-fourth
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What is magnetic induction?
A type of cooking method
A way to generate electricity
The process of magnetizing a material in a magnetic field
A form of transportation
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