Science Kids: Eyes and Ears

The video explores how our eyes and ears work with the brain to process sights and sounds, focusing on the anatomy and function of the eye and ear. It discusses optical illusions, the Doppler effect, and provides tips for protecting hearing. The video also includes interactive questions to reinforce learning.

What is the primary function of the cornea in the human eye?

• To control eye movement

• To focus incoming light

• To detect colors

• To produce tears

Which part of the eye is responsible for controlling the amount of light that enters?

• Lens

• Retina

• Cornea

• Iris

What type of photoreceptor is responsible for color vision?

• Cones

• Rods

• Pupil

• Sclera

What causes color blindness in individuals?

• A lack of rod cells

• A weakness in the optic nerve

• A deficiency or weakness in cone cells

• An overactive iris

What is the phenomenon called when the brain is tricked by visual patterns?

• Retinal confusion

• Visual distortion

• Optical illusion

• Color blindness

How does the persistence of vision contribute to the illusion of motion in films?

• By enhancing color contrast

• By increasing screen brightness

• By merging consecutive images

• By slowing down the frame rate

What is the smallest bone in the human body, located in the ear?

• Hammer

• Stirrup

• Cochlea

• Anvil

Which part of the ear is responsible for maintaining balance?

• Eardrum

• Outer ear

• Cochlea

• Semicircular canals

At what decibel level do sounds start to become painful to the human ear?

• 130 decibels

• 90 decibels

• 190 decibels

• 60 decibels

Which of the following is a recommended way to protect your hearing?

• Listening to music at maximum volume

• Using earplugs at loud events

• Swimming without ear protection

• Ignoring ear pain