Light Unit Test

A group of parallel rays of light is a:

• beam

• rayban

• lightray

What color represents the reflection of all the visible light together?

• black

• white

• blue

Light and sound are not matter. They are forms of ________.

• energy

• heat

• water

Some light can pass through wax paper. Wax paper is __________.

• transparent

• translucent

• opaque

A car appears red because the car absorbs all of the colors, but _______ red back to your eye.

• refracted

• reflected

• painted

What “color” do you see when a material is reflecting all colors back to your eye and not absorbing any?

• pink

• black

• white

Light can’t travel through a wall. A wall is:

• transparent

• translucent

• opaque

Which type of light waves has the LEAST energy?

• radio

• gamma

• X-Ray

A clear window or glass of water would be an example of an _______ object.

• transparent

• translucent

• opaque

Light travels in a straight line called a ________.

• beam

• ray

• line