Ear Structures and Functions

When sound waves cause the eardrum to vibrate, these vibrations are immediately passed on to the_________.

• outer ear and ear canal

• inner ear

• tiny hairs in the cochlea

• three small bones in the middle ear called ossicles

Which part of the ear collects sound waves?

• outer ear

• ear canal

• middle ear

• inner ear

What happens in the inner ear? 

• Sound waves are captured.
• Sound waves move deeper into the ear. 
• Sound waves are reflected.
• Sound waves are converted into nerve impulses.

Tags

NGSS.MS-PS3-5

Where does HEARING (interpreting the nerve impulses) take place?

• outer ear
• middle ear
• inner ear
• brain

Tags

NGSS.MS-LS1-8

What is #13?

• Tympanic membrane

• Anvil

• Hammer

• Cochlea

What is #19?

• Semicircular Canals
• Ear Canal
• Auditory Nerve
• Cochlea

What is #2?

• Ear Canal
• Pinna
• Hammer
• Anvil

What do playing a guitar, banging on a drum, and dropping a pebble in water have in common?

• they all produce light

• they all convert heat to energy

• they all cause vibrations we can detect as sound

• they all need gravity to move

Tags

NGSS.MS-PS3-5

NGSS.MS-PS4-2

Identify the order in which sound travels through the ear.

• ossicles, eardrum, ear canal, cochlea

• ear canal, eardrum, hammer, stirrup, anvil

• ear canal, eardrum, ossicles, cochlea

• eardrum, ear canal, cochlea, eustachian tube

What is #6?

• Ear Canal

• Pinna

• Semicircular canal

• Cochlea