Light and Sound

How are light and sound ALIKE?

• Both travel as rays
• Both can vary in pitch
• Both depend on vibrations in air
• Both are forms of energy that travel as waves

The frequency of a sound wave determines it _________.

• amplitude
• energy
• pitch
• volume

Sally's voice is higher pitched than Lucy's.  Which is true?

• Lucy speaks at a higher volume than Sally.
• Sally can speak at a higher amplitude than Lucy.
• Sally speaks at a greater range of frequencies than Lucy
• Sally's vocal cords vibrate faster than Lucy's

The bending of light as it moves from one transparent material to another

• reflection
• refraction
• spectrum
• pitch

Volume describes

• how high or low a sound is
• how loud or quiet a sound is
• how long the sound lasts
• how beautiful the sound is

A black cat

• reflects black light
• absorbs all colors of light
• reflects all colors of light
• reflects white light

_________materials allow some light to pass through, but some light is scattered.

• transparent
• translucent
• opaque
• concave

______materials do not allow light to pass through.

• opaque
• transparent
• translucent
• convex

_________materials allow light to pass straight through

• translucent
• transparent
• convex
• opaque

A pink kite ______.

• absorbs pink light and reflects the other colors
• reflects pink light and absorbs all the other colors
• absorbs all the colors
• reflects all the colors