Sound Vocabulary

a disturbance that transmits energy through matter or space

• wave

• medium

• outer ear

• middle ear

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

a substance through which a wave can travel

• medium

• outer ear

• middle ear

• inner ear

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

the part of the ear that acts as a funnel to direct sound waves into the middle ear

• outer ear

• middle ear

• inner ear

• pitch

the part of the ear where the amplitude of sound vibrations is increased

• middle ear

• inner ear

• pitch

• infrasonic

Tags

NGSS.MS-PS4-1

the part of the ear where vibrations created by sound are changed into electrical signals for the brain to interpret

• inner ear

• pitch

• infrasonic

• ultrasonic

Tags

NGSS.MS-PS4-2

how high or low a sound is perceived to be

• pitch

• infrasonic

• ultrasonic

• Doppler effect

the term describing sounds with frequencies lower than 20 Hz

• infrasonic

• ultrasonic

• Doppler effect

• loudness

Tags

NGSS.HS-PS4-1

the term describing sounds with frequencies higher than 20,000 Hz

• ultrasonic

• Doppler effect

• loudness

• decibel

Tags

NGSS.HS-PS4-1

the apparent change in the frequency of a sound caused by the motion of either the listener or the source of the sound

• Doppler effect

• loudness

• decibel

• reflection

how loud or soft a sound is perceived to be

• loudness

• decibel

• reflection

• echo

Tags

NGSS.MS-PS4-1