Magnets and electromagnets quiz

What does it mean for something to be magnetic?

• It can attract or repel other magnetic materials

• It can conduct electricity

• It can glow in the dark

• It can be used as a battery

What do electrons possess that makes them behave like a miniature bar magnet?

• Electric charge

• Magnetic dipole moment

• Gravitational force

• Chemical bond

How are the electrons arranged in non-magnetic materials?

• In a strict order

• Haphazardly, with no real order

• In pairs

• In a circular pattern

Why are things magnetic?

• Because of the gravitational pull between objects

• Due to the alignment of protons in magnetic materials

• Because all of the electrons in magnetic materials are aligned, creating a North and South

• Due to the electrical charge present in all materials

What is the origin of the name 'magnet'?

• It comes from the word 'magnesium', which is a metallic element.

• It is derived from 'magnetite', a naturally magnetic oxide of iron.

• It originates from 'magnesia', a region in ancient Greece.

• The name is taken from 'magneto', a term for magnetic fields.

What are materials known as that contain iron and are used to make magnets?

• Metallic compounds

• Ferrites and ferrous materials

• Carbonate compounds

• Alkaline materials

In which direction does the magnetic field always travel from a magnet?

• East to West

• South to North

• North to South

• Up to Down

What happens when like poles of two magnets are brought close to each other?

• They attract each other

• They cancel each other out

• They repel each other

• Nothing happens

What happens when the north pole of one magnet is brought close to the south pole of another magnet?

• They repel each other

• They attract each other

• They cancel each other out

• Nothing happens

What are the lines showing the magnetic field known as?

• Lines of magnetic force

• Lines of magnetic flux

• Lines of magnetic intensity

• Lines of magnetic resonance