when I was a little boy I thought that there is metal and iron. I didn't know that iron is metal too. Till I found out that iron IS metal and copper is metal and aluminium....
ah, and I also thought that steel plate is another kind of metal too.
the second thing I believed is that real iron, real pure iron is so heavy - you can't lift it
A childhood belief about chemistry

others believed things like this
- I used to believe that Metal music was when a bunch of people would bang metal together to make noise. Ha ha.— Kassandra
- that song that goes *bring me a higher love*
i thought it said *breathing in iron lung*— oi - When I was a child, I thought that the Heavy Metal was Satanic music.Anon
- when I was young, I heard that blood had iron in it. I thought blood was red because it was rusty.— Hunter
- I used to believe the large metal structure in Paris, France, I thought it was the "Eye Full Tower"— Janet
- When I was about 4 or 5, I used to believe that instead of bones, we had metal pipes. — TL