Parts of the eye

Regulates the amount of light entering the eye and gives the eye its color.

• Iris

• Lens

• Pupil

• Retina

Pupil

• Focuses light
• Clear tissue that covers the front of the eye
• Opening through which light enters the eye
• Layer of receptor cells

Lens

• Clear tissue that covers the eye
• Opening of the eye
• Focuses the light
• Regulates amount of light

What is letter I?

• Cornea
• Lens
• Vitreous humor
• Optic nerve

The layer of receptor cells that lines the back of the eye where nerve impulses begin.

• Iris
• Lens
• Retina
• Pupil

Tags

NGSS.MS-LS1-8

NGSS.MS-LS1-3

The tough, clear covering over the iris and pupil that helps protect the eye is the __________________.

• retina

• lens

• sclera

• cornea

The layer of light-sensitive cells at the back of the eye that detects images focused by the cornea and the lens is called the ___________________.

• blind spot

• sclera

• retina

• optic nerve

The bundle of fibers that carry information from the retina to the brain is called the ____________________.

• optic nerve

• blind spot

• vitreous humor

• aqueous humor

A clear, flexible structure that makes an image on the eye's retina. The _______________ is flexible so that it can change shape, focusing on objects that are close up and objects that are far away.

• lens

• cornea

• pupil

• retina

When light rays bounce back

• Refract

• redo

• reflect

Tags

NGSS.MS-PS4-2