Magnetism - JSS3 Basic science Past Questions and Answers - page 1
What is another name for loadstone?
Ironstone
Magnetite
Hematite
Pyrite
What is the main component of loadstone?
Aluminum oxide
Iron oxide
Copper oxide
Zinc oxide
Why was loadstone valuable to ancient sailors?
For building ships
For making jewelry
For navigation
For cooking
What property of loadstone aligns it with Earth's magnetic field?
Conductivity
Transparency
Magnetism
Flexibility
What property of loadstone aligns it with Earth's magnetic field?
Conductivity
Transparency
Magnetism
Flexibility
In what ways have ancient civilizations used loadstone?
For cooking
For navigation
For farming
For building shelters
What happens when like magnetic poles are brought together?
They attract each other
They repel each other
They neutralize each other
They become stronger
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
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
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