Is it a sound source?
Yes, it is.
Is this sound loud or quiet?
It is quiet.
What friend will hear the loudest sound? 1, 2 or 3?
Friend 1.
Is this sound loud or quiet?
It is quiet.
Is it a sound source?
No, it is not.
What friend will hear the quietest sound? 1, 2 or 3?
Friend 3.
Is it a sound source?
No, it is not.
Is it a sound source?
Yes, it is.
Is it a sound source?
Yes, it is.
Is this sound loud or quiet?
It is loud.
Is it a sound source?
No, it is not.
Is this sound loud or quiet?
It is loud.
Is it a sound source?
Yes, it is.
What is the name of this object?
Megaphone.
What friend has a sound source?
The girl with pink clothes.