Can people make noise in their sleep?
Yes, they can
What can noises over 140 decibels do?
Damage your hearing
What does 'deaf' mean?
Deaf people can't hear anything.
The loudest noise ever heard came from a ...
volcano
What is noise measured in?
Decibels
What's snoring?
Noises people make in their sleep
How do deaf musicians 'hear' music?
They use vibration
What's the loudest animal in the world?
The blue whale
Is it true that our voices can break metal?
No, they can break glass