Our physics teacher and our chemistry teacher had an ongoing civil riff on whether or not electrons exist.

We’d hear one side of the argument in Chemistry and then parrot it to him in Physics, and he’d give us a rebuttal and we’d parrot it back to her in Chemistry. This went on for about two weeks.

Looking back on it, I’m pretty sure they discussed it in the staff room beforehand, but at the time it felt like a real smackdown.