science

What is the function of the pupil?

• Sends messages picked up by the retina to the brain
• The hole that controls the different amounts of light
• the colored part of the eye that controls the size of the pupil
• transparent jelly like fluid that fills the eye and refracts light

the optic nerve sends messages picked up by the retina to the brain

• true
• false

what is the iris

• the colored part of the eye that controls the size of the pupil
• Tranparent jellylike fluid that fills the eye and refracts light.
• Sends messages picked up by the retina to the brain 
• Hole passes different amounts of light

What is the outer tough layer of the eye?

• Lens
• iris
• pupil
• Sclera 

What is the second clear part of eye called

• cornea 
• lens
• retina
• iris 

What is the first clear part of the eye

• sclera
• pupil
• cornea
• lens

When you enter a dark room, what does the pupil do

• get larger
• get smaller

What is an irreversible change?

• Something you can change back.

• Something you cannot change back.

Cooking an egg is a..

• Irreversible

• Reversible

Melting chocolate is a....

• Irreversible

• Reversible