Ears and Hearing

What is the main job of the outer ear?

• To catch sounds and guide them into the middle ear

• To produce ear wax

• To vibrate and create sound waves

• To connect to the auditory nerve

Tags

3.6

What is the function of the ear canal?

• To let sound enter the skull

• To protect the ear from germs

• To make the eardrum vibrate

• To connect to the cochlea

Tags

3.6

Which part of the ear is a thin membrane stretched tightly across the ear canal?

• Outer ear

• Middle ear

• Inner ear

• Eardrum

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

• Hammer, anvil, and stirrup

• Cartilage and fat

• Cochlea and auditory nerve

• Outer, middle, and inner ear

Tags

3.6

Which bone in the middle ear is the smallest bone in the body?

• Hammer

• Anvil

• Stirrup

• Cochlea

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3.6

What is the shape of the cochlea?

• A fluid-filled coil

• A thin membrane

• A snail's shell

• A grain of sand

Tags

3.6

What happens when sound waves reach the cochlea?

• The cochlea vibrates

• The eardrum vibrates

• The auditory nerve sends messages to the brain

• The middle ear bones vibrate

Tags

3.6

What do the tiny hairs in the cochlea do?

• Vibrate when sound waves reach them

• Connect to the auditory nerve

• Send messages to the brain

• Make the eardrum vibrate

Tags

3.6

How do your ears let you hear what someone is saying?

• By making the eardrum vibrate

• By sending messages to the brain

• By guiding sound waves into the middle ear

• By vibrating the cochlea

Tags

3.6

What happens when you hit a drum?

• The membrane begins to vibrate

• The drum catches sounds

• The eardrum makes sound waves

• The cochlea sends messages to the brain