Light Sound Heat Quiz

When light bends as it passes from one material to another it is ____________

• reflecting

• refracting

• shadow forming

• light absorption

An object that allows all light to pass through it is ______.

• opaque

• translucent

• transparent

• obscure

We hear sound when our ear drum ____________.

• reflects

• vibrates

• refracts

• absorbs sound

Big, strong vibrations produce _______________ sounds.

• soft

• low

• high pitched

• loud

All materials reflect the same amount of light.

• true

• false

Objects that vibrate quickly make sounds with ___________.

• high volume

• low volume

• high pitch

• low pitch

The process of soaking up or taking in light without reflecting it is called ______________.

• refraction

• reflection

• transpiration

• absorption

What factors must be in place before an object is visible?

• It must be a source of light or reflect light.

• It must be a source of light or reflect light.

• It cannot reflect light.

• It must be both a source of light and reflect light

Why do some objects appear black?

• All of the colors bounce off and leave black.

• All of the colors mix and form black.

• Black absorbs all of the colors of white light.

• Black absorbs none of the colors of white light.

Mention three types of heat transfer.

Answer explanation

1. conduction

2. convection

3. radiation