Unit 2 Sound

Sounds are only made when you can see things vibrate

• FALSE

• TRUE

You can feel vibrations by placing your hand on your throat and humming.

• True

• False

Vibrations are a slow movement back and forth.

• False

• true

The volume of a sound is unrelated to how loud or quiet it is.

• False

• true

Bigger vibrations result in louder sounds.

• True

• false

A decibel (dB) is used to measure the temperature of sound.

• False

• true

Sounds louder than 85dB can be harmful to our ears.

• TRUE

• FALSE

A sound level meter is used to measure the volume of sound in decibels.

• true

• false

Pitch determines how loud a sound is. 

• false

• true

A high-pitched sound comes from slow vibrations.

• false

• true