Sound vs. Light

What type of wave is light?

• Longitudinal

• Transverse

• Mechanical

• Sound

Are you enjoying the video lesson?

• Yes

• No

Why can light travel through space?

• It needs air to travel

• It is an electromagnetic wave

• It is a longitudinal wave

• It is a mechanical wave

What happens when sound waves reflect off a surface?

• They create an echo

• They disappear

• They change color

• They stop moving

Which wave travels faster, light or sound?

• Sound

• Light

• They travel at the same speed

• It depends on the medium

Why can't sound travel through a vacuum?

• It is too fast

• It needs particles to move

• It is an electromagnetic wave

• It is too slow