Yeah, you're right on the lab. No proper scientific experiment would only have one go. There's a funny thing called outliers, after all. -_- Given that the teacher is clearly incompetent (sex ed class, anyone?), he probably just has no idea what he's doing.

Oh lord, how I wish that your spite fic were canon. I wish that so hard. That would be the only way this freaking book could be redeemed at all.