MI 1.3

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
• three small bones in the middle ear

Which part of the ear acts as the sound collector?

• outer ear
• ear canal
• middle ear
• inner ear

How does increasing the amplitude of a sound wave affect the sound?

• it makes the sound louder
• it makes the sound travel faster
• it increases the wavelength of the sound
• it increases the frequency of the sound

Tags

NGSS.MS-PS4-1

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-LS1-8

What is #19?

• Semicircular Canals
• Ear Canal
• Auditory Nerve
• Cochlea

Tags

NGSS.MS-LS1-8

Sound is caused by ______________.

• vibrations
• light
• the sun

Identify the order in which sound travels through the ear 

• hammer, stirrup, anvil, eardrum, ear canal
• ear canal, eardrum, hammer, stirrup, anvil 
• ear canal, eardrum, hammer, anvil, stirrup
• eardrum, ear canal, hammer, anvil, stirrup

What does the outer ear consist of?

• Auricle/Pinna

• Pinna, Ear Canal

• Auricle, Ear Canal

• Auricle/pinna, Ear Canal

What does the middle ear consist of?

• Ear canal,Ear drum

• Ear canal, ossicles

• Ear drum, Ossicles

• Ossicles, Cochlea

What is inside of the Cochlea?

• Liquid, and tiny hairs

• Water, and tiny hairs

• Acid, and hairs

• Water, and fuzz