Sight, Sound, and Color

If we turned the _____ ____, you wouldn't be able to see anything.

(a)  

Sources of light, such as the sun or a light bulb, give off _____ _____, which travel in straight paths until they hit an object.

(a)  

A beam of ________ ______ contains all the colors.

(a)  

We can see objects because light can be (a)   off its surfaces, if there was no light we wouldn't be able to see.

An object appears blue, because blue light is the only color that is not (a)   .

A prism can split a beam of white light into other colors.

• True
• False

Light rays travel in circular paths until they collide with an object.

• True
• False

An object appears red if the only color that is reflected is the color red.

• True
• False

Explain why we can see when there is light, and why we can't see in the dark.

Sound waves are which kind of waves?

• beach waves

• longitudinal waves

• sound waves

• transvers wave