Understanding Ears and Eyes

What is the outer part of the ear called?

• pinna

• auricle

• eardrum

• ear canal

Name the three main parts of the ear.

• Outer section, middle section, inner section

• Outer ear, middle ear, inner ear

• Outer ear, middle canal, inner canal

• Outer ear, central ear, inner ear

How does sound travel through the ear?

• Sound travels through the ear by bouncing off the outer ear and directly entering the brain.

• Sound travels through the ear by entering the outer ear, vibrating the eardrum, being amplified by the ossicles, and being converted into electrical signals in the cochlea.

• Sound travels through the ear by being filtered through the nasal passages.

• Sound is absorbed by the ear and does not travel through it.

What is the function of the eardrum?

• The eardrum functions to convert sound waves into vibrations.

• The eardrum produces sound waves.

• The eardrum filters out background noise.

• The eardrum amplifies sound waves.

Tags

NGSS.MS-PS4-2

What part of the ear helps with balance?

• Auditory canal

• Vestibular system

• Eustachian tube

• Cochlea

What are the tiny bones in the middle ear called?

• cochlea

• stapes

• ossicles

• incus

What is the name of the part of the eye that controls the amount of light entering?

• Cornea

• Pupil

• Iris

• Retina

What is the function of the retina?

• To regulate the amount of light entering the eye.

• To focus light onto the lens.

• The function of the retina is to convert light into neural signals for vision.

• To protect the eye from dust and debris.

Name the clear front part of the eye.

• Cornea

• Pupil

• Iris

• Lens

What is a common defect that affects how we see?

• Color blindness

• Cataracts

• Refractive error

• Glaucoma