Converting from sound to electrical energy?

[cuztomized]

Hi, I have this topic for a science fair that involves converting sound energy to electrical energy.

Is there any simple way to do this? I tried googling, but ended up getting methods that I can't possibly do.

Any help is appreciated. Thx.

 

[russ_watters]

Look into how a microphone works. Perhaps more interesting than a basic microphone, a specific, relatively new type uses piezoelectric polymers - google them.