Wide-eyed is precisely the correct reaction! Jona beams.

And... makes up some stuff, because she's really not sure what electricity, in fact, is.

"Sort of like magic, 'cept it's not magic: makes stuff hotter or colder, and you can trap it inside things and tell it what to do with buttons and things." ENTHUSIASM! "And it's so special they only have it in this world, like."