The Ear

The layers of the Earth between inner core and crust is

• Mantle

• Core

• Outer core

• Mantle and outer core

Tags

NGSS.MS-ESS2-1

Select ALL the part(s) of the ear found in the inner ear. You may select multiple answers.

• ear canal

• cochlea

• anvil

• auditory nerve

• hammer

What is the primary function of the cochlea in the human ear?

• To amplify sound

• To balance the body

• To convert sound waves into electrical signals

• To protect the ear from loud noises

Which part of the ear is responsible for maintaining balance?

• Cochlea

• Semicircular canals

• Eardrum

• Auditory nerve

What is the role of the auditory nerve?

• To transmit sound from the outer ear to the middle ear

• To convert sound waves into electrical signals

• To carry electrical signals from the cochlea to the brain

• To protect the inner ear from infections

Tags

NGSS.MS-LS1-8

Which part of the ear vibrates when sound waves hit it?

• Cochlea

• Eardrum

• Anvil

• Stirrup

What is the function of the Eustachian tube in the ear?

• To equalize air pressure on both sides of the eardrum

• To transmit sound to the inner ear

• To protect the ear from infections

• To amplify sound

Which of the following is NOT a part of the middle ear?

• Hammer

• Anvil

• Cochlea

• Stirrup

How does the ear convert sound waves into signals that the brain can understand?

• Through the vibration of the eardrum

• By the movement of the ossicles

• By the fluid movement in the cochlea

• Through the auditory nerve

What is the main purpose of the pinna in the human ear?

• To protect the ear canal

• To collect and direct sound waves into the ear canal

• To amplify sound

• To balance the body