1. What is the main mineral that makes up a natural magnet?
A) Iron
B) Copper
C) Nickel
D) Gold
2. What is the term used to describe the strength of a magnet?
A) Resistance
B) Inductance
C) Magnetic field
D) Magnetization
3. What is the name of the north-seeking pole of a magnet?
A) South pole
B) North pole
C) East pole
D) West pole
4. Which of the following is NOT a type of natural magnet?
A) Lodestone
B) Magnetite
C) Iron ore
D) Silicon
5. What is the process called where a magnetic field is induced in a material?
A) Magnetization
B) Demagnetization
C) Electromagnetism
D) Magnetic induction
6. What is the term used to describe the distance between the north and south pole of a magnet?
A) Magnetic field
B) Magnetic flux
C) Magnetic moment
D) Magnetic axis
7. How does a natural magnet lose its magnetism?
A) By heating it
B) By exposing it to a strong magnetic field
C) By dropping it
D) By rusting
8. What is the name of the mineral that is used to make permanent magnets?
A) Lodestone
B) Magnetite
C) Neodymium
D) Cobalt
9. What is the name of the process where a magnet loses its magnetism when it is exposed to a strong magnetic field?
A) Magnetization
B) Demagnetization
C) Electromagnetism
D) Magnetic induction
10. What is the term used to describe the force exerted by a magnet on a piece of iron?
A) Magnetic attraction
B) Magnetic repulsion
C) Magnetic field
D) Magnetic force
Answers:
- A
- D
- B
- D
- D
- D
- A
- C
- B
- A