Sound Phenomena chapter 14

Which travels fastest?

• sound

• light

• cars

What produces sounds?

• vibrating matter

• vibrating electrons

• unknown phenomena

Which type of matter transmits sound fastest?

• soft cotton

• steel

• water

• warm air

• cold air

Which type of wave is sound?

• transverse

• longitudinal

• standing

• shock

• bow

True or false: Sound cannot travel in a vacuum (like space.)

• True

• False

True or false: Sound travels faster in cold air than in warm air.

• True

• False

The collapse of the bridge we saw in a video clip and the shattering of a wine glass with a singer's voice are examples of _____.

• forced vibration

• beats

• echo

• interference

• resonance

Which of the following makes use of destructive interference?

• optical microscopes

• noise-cancelling headphones

• the singing rod demonstration in class

• rubbing your finger on the rim of a wine glass to generate a sound.

In which form of water would sound travel fastest?

• steam

• liquid water

• ice

• sound travels the same speed in all forms of water.

When two tones are very similar, but not quite the same, the amplitude of the sound may increase and decrease. This phenomena is called _____.

• resonance

• standing wave

• damping

• beats