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

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.

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 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

What else does our ears do besides help us to hear?

• Smell

• Balance

• Sight

• Fight off sickness

Which of the following interventions is important for someone with profound hearing loss?

• Hearing Aid

• Cochlear Implant

• Loud doorbells

• FM Systems

What part is #1?

• Pinna

• Ear Canal

• Ear Drum

• Oval Window