Chapter-13 Sound

Voice of which of the following is likely to have the minimum frequency?

• Baby Boy

• Baby Girl

• A man

• A woman

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

• shake

• vibrate

• move

• stay still

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

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

• solid

• liquid

• gas

• vacuum

Tags

NGSS.MS-PS4-1

Which of these is not a property of a sound wave?

• intensity

• elasticity

• loudness

• pitch

Loudness of waves is measured in ______________.

• hertz

• decibels

• watts

• meters/second

Tags

NGSS.MS-PS4-1

Frequency of waves is measured in __________.

• hertz

• decibels

• watts

• meters/second

Tags

NGSS.HS-PS4-1

High frequency sounds have ___________ pitch.

• high

• low

The highness or lowness of a sound is its ____________.

• pitch

• volume

• amplitude

• frequency

What happens in the inner ear?

• Sound waves are captured.

• Sound waves move deeper into the ear.

• Sound waves are reflected.

• Pressure waves are converted into nerve impulses.

The ear canal...

• directs sound from the outer to middle ear

• directs sound from the middle to inner ear

• collects and shapes sound