Adults with autism dont exist, but kids with autism exist; the moon is an artificial satellite made by aliens; scientists are saying that 2+2=5 (by a logic teacher)
There is a conspiracy(organized by the jewish world leader) in romanian schools to trick children into starting HRT by saying to take some pills so they wont look pale right before going to act in front of an audience so they would become infertile and stop overpopulation(by a biology teacher)
This one is a little different. On the first week of some college introductory economics class, the teacher was basically just reading from the textbook we all had, some historical figure who was a member of the "Council Of Seven" or something like that, when a student raised her hand - "Ma'am, what was the Council Of Seven?" - the teacher paused, and said - "Can you bring it tomorrow, as assignment?" - and actually giggled. This was in the 90s, pre-internet, looking up something like that was not a trivial task.
The teacher might have thought she was being cute and/or deflected her own shortcomings, but the actual effect was that we immediately lost all respect and trust for her, no one ever raised a hand again in her class, we all immediately went into rote robot mode for the rest of the semester, disengaged on a gut level.
When talking about movements of the Earth in geography, we covered the earths rotation, the orbit around the sun, the usual stuff. I mentioned precession as an additional movement - I had read about it in a book just recently. The teacher completely ruled that out and called me stupid for that. Jokes on him.
"Life sciences" teacher in middle school at a Christian school told us evolution was impossible because genetic mutations only cause a loss of information. Sneaky assholes
She very matter-of-factly stated that steam wasn’t as hot as boiling water. This was a chemistry teacher.
Given, it was elementary school, so the “chemistry” was mostly super basic stuff like mixing dish soap and yeast with hydrogen peroxide. But still, I’m salty about that one because I had been burned pretty badly by active steam before she said that. I still have the scar and everything.
There is no such thing as negative numbers. "How do you take 5 apples from 3 when there are only 3 apples?" This was in elementary school in Wisconsin. The temperature regularly goes below zero. Pointing this out got me time in the corner. I'm still kinda salty about that.
I used the word poesy in a written assignment, as in the art of poetry. The teacher didn't recognize it as a real word and deducted points from my grade. She had a policy that we could correct and resubmit for half points, so I did that but didn't change the word, I just helpfully gave her the definition in a footnote.
Shocked, naive, innocent little me didn't not know what to think when she took that as an insult. I was only trying to help her, didn't she get that?!?
This was one of a handful of events when my sister started implying I might have a neurospicy brain. IDK, maybe, but I was just being accurate so I didn't really see that as anything I needes to address. I thought the overly-sensitive and factually incorrect teacher was the one who needed to self-reflect.
I got a question right on an electronics quiz about finding the resistance in a curcuit (I have verified I was right).
My science teacher who didn't know how to do it in the first place and was just looking at the (incorrect) answer schedule said I was wrong. I just said "I don't think so but ok" even though I knew I was right as I did not want to argue. As she was walking away I explained to my friend why I was right, my teacher overheard me and came storming to the table saying:
"WHEN I SAY IM RIGHT I AM RIGHT! AND WHEN I SAY YOUR WRONG YOU ARE WRONG!"
At the top of her lungs.
I was just a kid so it put me off science for a bit tbh.
Had a science teacher back in middle school that claimed to have a buddy that "designed" a way to make gas engines more efficient by running the gas line over the engine to warm it up before entering the engine. Said that GM bought the "design" with no patent, and hid it away so that it wouldn't get out. Problem is, that's not how BTUs work and GM would obviously know that. Also that's a good way to destroy your engine by misfiring.
I remember a bunch of things in science class in middle school, because I was really into science and it bothered me that they oversimplified everything to the point of being straight up false. Like a definition of "animals" being "something with eyes and a mouth". I mentioned several examples of animals without eyes, like corals, but the teacher just exasperatedly said that they did have small mouths. Ok, but your definition said eyes and a mouth, not or.
I also remember a question in a test about astronomy being "what is the biggest object". I thought about it for a moment and then wrote "the universe"; which I'll maintain to this day, was right. But it was marked wrong. The expected answer was the sun. I talked about it to the teacher, because it wasn't like I pulled the existence of objects bigger than the sun from my personal knowledge only, we'd explicitly talked about bigger stars and galaxies. But the teacher said "It was implied 'biggest object in the solar system' ". Implied how? It definitely wasn't written. I still want my point back.
My middle school computer teacher once said that unwanted email was called "flame". I had never heard that term before or since used in the context of email.
I had a teacher confidently tell the class that Mt. Everest didn’t border China (well Tibet really, but that’s a battle for another day). I will say she was able to concede she was mistaken. I had another teacher hit on me when I was in high school while I was alone with her in the copy room. I had always heard some salacious rumors about her, but I always assumed they were just idle gossip until that day. That was a different kind of wrong. And no, I didn’t take her up on the advance.
I’m assuming English isn’t your first language, so just as an FYI, wrongest isn’t a word. “Most false” is probably the best fit in this instance. Just one of those weird quirks of this bastard language.
When I was 11, an entire class of students and the biology professor were adamant that snakes do not have skeletons. I knew for a fact this was false because I had seen one at the museum.
I don't remember the specifics because it was damn near 40 years ago, but I had a teacher tell the class that everyone has a sort of 6th-sense sight through an invisible 3rd eye in the middle of your forehead. And her example was that blind people will pick out clothes by colors or tell someone they were wearing an ugly tie. Which I've never seen, at least not outside of some sort of Hallmark Romance Drama quality religious schlock.
I never had any problem correcting a teacher if they made some calculation error or misquoted something out of the book (I wasn't an asshole who corrected every single thing, just the ones that might be material to everyone else's understanding of the lesson).
But when confronted with a teacher spewing utter bullshit, I was at a total loss for a response. I can't imagine anyone else believed it, either, but what a fucking loon. My sister was/is blind and the only superhuman power she had was being fucking annoying.
I don't even know if that was the worst/only one, but that's the one that has always stood out for me.
I guess you could add that American Exceptionalism was taught as a legitimate point of view rather than nationalist bullshit.
My 6th grade science teacher interrupted me while reading aloud after I correctly pronounced "tsunami". He goes "What's that?....tuh-soo-mee?". I said Yeah, he spends 10 seconds digesting it, and I continue reading aloud.
The next kid to read after me pronounced it tuh-soo-mee.
The Russians/Soviets have guard towers on every block who monitor which rooms citizens are in at any given moment. Absolutely no true freedom of movement, unlike those of us in the free world. At the time, I figured people could trick the guards by just not turning on lights in the room when they moved about. As the years went on, two questions came to mind: isn't that prohibitively expensive? and why???
"You'll enjoy ice skating, it's easy!" - the teacher who took our class to an ice rink... 😂
The moment I'm over the ice I become the human equivalent of a scruffed cat and people started pushing me around like I was a hockey puck and I was smiling pretending I was having fun but inside I was like
first day of a new school year "what are you doing in this class, didn't we made you fail last year?"
I had bad grades but mathematically good enough to pass just barely. She was the Computer Science teacher and I proved her wrong more than once in front of the class. So yeah, she had a grudge.