Seeing Light Test Retake Review

A nearsighted person ___.

• can see distant objects clearly

• should wear eyeglasses with convex lenses

• needs eyeglasses to read a book

• can see near objects clearly

A farsighted person ___.

• can see distant objects clearly

• should wear eyeglasses with concave lenses

• needs eyeglasses to read a street sign

• can see near objects clearly

Which cells distinguish between black, white and shades of gray?

• Cones

• Rods

• Optic Nerves

• Iris

What lenses should a farsighted person use to correct their vision?

• Convex Lenses

• Concave Lenses

What lenses should a nearsighted person use to correct their vision?

• Convex Lenses

• Concave Lenses

What type of lens do we have in our eyes?

• Convex

• Concave

• Plain

Light enters the eye through this transparent front surface, it protects the eye from dust and acts as a lens bending the light.

• Retina

• Lens

• Cornea

• Iris

This is a ring of muscle that contracts and expands to change and control the amount of light that enters the eye.

• Retina

• Lens

• Cornea

• Iris

The part of the eye that looks black. It is actually a hole, covered by the clear cornea.

• Retina

• Lens

• Pupil

• Iris

The layer of cells lining the inside of the eyeball. This layer contains the light sensitive cells.

• Retina

• Lens

• Pupil

• Optic Nerve

Tags

NGSS.4-PS4-2