Sound Waves and Ear Structure

Sound is made when a source of energy forces the matter to:

• shake

• vibrate

• move

• stay still

A back-and-forth motion causing particles to move close together generates a ______________.

• rarefaction

• surface

• transverse

• compression

Sound waves cannot travel through which of these?

• paper

• milk

• outer space

• hydrogen

Tags

NGSS.MS-PS4-2

In which of these types of media will sound travel fastest?

• solid

• liquid

• gas

• vacuum

Tags

NGSS.MS-PS4-2

The ________ of a wave increases with increased energy.

• wave length

• amplitude

Tags

NGSS.MS-PS4-1

The maximum safe level for loudness is _________.

• 0 dB

• 60 dB

• 85 dB

• 130 dB

High frequency sounds have __________ pitch.

• high

• low

Which medium is the best medium to hear a sound through?

• solid

• liquid

• gas

Tags

NGSS.MS-PS4-2

what is in 6 ?

• stirrup

• ear canal

• eardrum

• auditory nerve

what is in 5 ?

• anvil

• ear canal

• eardrum

• cochlea