i used to believe that if you held hydrogen in one hand and oxygen in another and clapped that water would come out.
i just found out today and i'm 15.
A childhood belief about chemistry

others believed things like this
- I thought that hydrogen was pure water (since I knew hydro- meant water) and H2O was impure some how— Hexetic
- My teacher held out a hand to say, "stop" but I thought she wanted a high-five.Anon
- I used to think that oxymoron had something to do with oxygen...Anon
- I used to think that my right hand wasn't my right hand anymore if I turned around.— Mike
- I used to believe that if i splashed water on the wall during a bath, the water would turn into spiders— justin
- that bathroom tap water was recycled "potty" water from the toliet. — livingdeadgirl