Light and Sound Summative

Sound is caused by ___________.

• loudness

• noise

• magic

• vibration

Light travels in ________ lines.

• wavy

• straight

• jagged

• curvy

A clear window is an example of a(n) ________ object.

• reflected

• opaque

• transparent

• translucent

A stained-glass window is an example of __________.

• a rainbow

• a translucent object

• fiber optics

• a transparent object

Which is NOT opaque?

• lens

• chalkboard

• wooden door

• aluminum door

Pitch is __________.

• the reflection of sound waves

• the measure of the distance between a point on one sound wave and the same point on the new sound wave

• the measure of how high or low sound is

• area where air is pushed together by vibrations

Light that passes through a prism separates into a ______________.

• pot of gold

• cloud

• color wheel

• rainbow

If a sound's pitch is high, the source is _____________.

• Vibrating quickly

• a sonic boom

• an echo

• nearby

Which of these best describes the reflection of light?

• Light bends as it passes through a material.

• Light is taken in by a material.

• Light bounces off a surface.

• Light is turned into electric energy.

What does transparent mean?

• A material that allows no light to pass through.

• A material that allows some light to pass through.

• A material that allows all light to pass through.