Physical Science Chapter 10 & 12 Vocab Review

The tough membrane in the outer ear is about 0.1 mm thick and transmits sound vibrations into the middle ear.

• eardrum

• cochlea

• resonator

• ultrasound

The spiral-shaped, fluid-filled structure in the inner ear converts sound waves to nerve impulses.

• cochlea

• eardrum

• acoustics

• opaque

Tags

NGSS.MS-PS4-1

The amount of energy that flows through a certain area in a specific amount of time.

• intensity

• loudness

• pitch

• overtone

The human perception of sound volume depends primarily on intensity.

• loudness

• overtone

• pitch

• acoustics

Tags

NGSS.MS-PS4-1

The unit for sound intensity; is abbreviated dB.

• decible

• overtone

• sound quality

• acoustics

Tags

NGSS.MS-PS4-1

The perception of how high or low a sound is; related to the frequency of sound waves.

• pitch

• music

• sound quality

• overtone

The change in frequency that occurs when a source is moving relative to an observer.

• Doppler effect

• sound quality

• pitch

• loudness

Collection of sounds deliberately used in a regular pattern.

• music

• sound quality

• acoustics

• overtone

Result of the differences between sounds having the same pitch and loudness.

• sound quality

• acoustics

• pitch

• loudness

Vibration whose frequency is a multiple of the fundamental frequency.

• overtone

• resonator

• acoustics

• echolocation