Parts of the Ear

Front

What unit do we use to measure sound?

Back

decibels

Front

What is the cochlea?

Back

The cochlea is a spiral-shaped organ in the inner ear that converts sound vibrations into nerve impulses.

Front

What is the stirrup?

Back

The stirrup is one of the three tiny bones in the middle ear that helps transmit sound vibrations to the inner ear.

Front

In which section of the ear is the cochlea found?

Back

The cochlea is found in the inner ear.

Front

What does amplitude measure in a sound wave?

Back

Amplitude measures the energy a wave carries, which affects the loudness of the sound.

Tags

NGSS.MS-PS4-1

Front

What is the function of the pinna?

Back

The pinna is the outer part of the ear that helps to collect sound waves and direct them into the ear canal.

Front

What is the role of the ear drum?

Back

The ear drum vibrates in response to sound waves, transmitting these vibrations to the middle ear bones.

Front

What are the three tiny bones in the middle ear called?

Back

The three tiny bones are called the hammer, anvil, and stirrup.

Front

What is the function of the hearing nerve?

Back

The hearing nerve transmits sound information from the cochlea to the brain.

Front

What is sound wave?

Back

A sound wave is a vibration that travels through air, water, or solid materials.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2