Unit 2 Lesson 2 Quiz

What is the bouncing of light waves off a surface called?

• reflection

• refraction

• transparent

• translucent

Bending of light waves through transparent material to another

• reflection

• refraction

• translucent

• opaque

Completely blocking light from coming through

• transparent

• translucent

• opaque

• image

Lens that is thicker in the middle and makes objects appear larger

• flat lens

• concave lens

• convex lens

• transparent lens

Lens that is thinner in the middle and makes objects appear smaller

• concave lens

• flat lens

• translucent lens

• convex lens

a “picture” of the light source that light rays make in bouncing off a polished, shiny surface

• lens

• object

• image

• reflection

All of these are parts of the external human eye EXCEPT

• eyelid

• retina

• iris

• sclera

All are parts of the internal eye EXCEPT

• pupil

• retina

• nerve path

• lens

What part of the external human eye keeps it clean, moist, and protected?

• sclera

• iris

• eyelid

• eye socket

What is the white part of the human eye called?

• pupil

• iris

• sclera

• cornea