Magnetic and Electromagnetic Forces Quiz

What is a magnet?

• An object that repels materials with copper

• An object that attracts materials with copper

• An object that attracts materials with iron

• An object that repels materials with iron

Why are magnets able to affect each other's movement without touching?

• Due to the force of inertia

• Due to the force of gravity

• Due to the magnetic force acting at a distance

• Due to the force of friction

What is the strength of the magnetic force dependent on?

• The weight of the items

• The size of the magnets

• The position of items

• The color of the magnets

What causes a material to be attracted to magnets?

• The material's color

• The alignment of magnetic domains in the material

• The material's weight

• The material's temperature

What are materials that form magnetic domains called?

• Non-magnetic materials

• Paramagnetic materials

• Ferromagnetic materials

• Diamagnetic materials

Why are iron nails attracted to magnets but not to each other?

• Because the nails are too heavy

• Because the nails are not magnetic

• Because the nails are made of a different material

• Because the nails have magnetic domains that align when exposed to a magnetic force

What is the result of the sum of the magnetic forces in most materials?

• The result is a repelling force

• The result is zero or very little force

• The result is a strong force

• The result is an attracting force

What are the north and south poles of a magnet represented by in the video?

• North pole = blue, South Pole = red

• North pole = red, South Pole = grey

• North pole = green, South Pole = yellow

• North pole = black, South Pole = white

What is the magnetic force also known as?

• The force of friction

• The force of gravity

• The force of inertia

• The push or pull exerted by magnets

Magnets are able to attract or repel, just like?

• Just like heat waves

• Just like sound waves

• Just like light waves

• Just like charges