Sound

Sounds are made when things

A very quick movement back and forth is called

What is the unit we use to measure sound

How loud or quiet a sound is refers to its

A sound is more quiet when the vibrations are bigger

• True

• False

What volume of sound can damage the ears?

• 58 dB

• 86 dB

• 68 dB

• 85 dB

What instrument is used to measure the volume of sound?

What name is given to how high or low a sound is ?

Select 2 true statements

• Slow vibrations produce a higher pitched sound

• Fast vibrations produce a higher pitched sound

• Fast vibrations produce a lower pitched sound

• Slow vibrations produce a lower pitched sound

To muffle a sound is to

• Make it quieter

• Make it louder

• Create sound

• Turn off the sound