Magnetism - JSS3 Basic science Past Questions and Answers - page 1
1
What is another name for loadstone?
A
Ironstone
B
Magnetite
C
Hematite
D
Pyrite
2
What is the main component of loadstone?
A
Aluminum oxide
B
Iron oxide
C
Copper oxide
D
Zinc oxide
3
Why was loadstone valuable to ancient sailors?
A
For building ships
B
For making jewelry
C
For navigation
D
For cooking
4
What property of loadstone aligns it with Earth's magnetic field?
A
Conductivity
B
Transparency
C
Magnetism
D
Flexibility
5
What property of loadstone aligns it with Earth's magnetic field?
A
Conductivity
B
Transparency
C
Magnetism
D
Flexibility
6
In what ways have ancient civilizations used loadstone?
A
For cooking
B
For navigation
C
For farming
D
For building shelters
7
What happens when like magnetic poles are brought together?
A
They attract each other
B
They repel each other
C
They neutralize each other
D
They become stronger
8
What is the direction of magnetic field lines outside a magnet?
A
From north to south
B
From south to north
C
From east to west
D
From west to east
9
According to the inverse square law, what happens to the magnetic force when the distance between magnets is doubled?
A
It quadruples
B
It doubles
C
It halves
D
It reduces to one-fourth
10
What is magnetic induction?
A
A type of cooking method
B
A way to generate electricity
C
The process of magnetizing a material in a magnetic field
D
A form of transportation
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