I used to think that all chemicals were orange liquids, and that a chemistry lab would have a load of test tubes in it all filled with the same coloured substances. I don't know what I thought solids, gases and non-orange liquids were supposed to be!
A childhood belief about chemistry

others believed things like this
- I used to believe all liquids were water-based with things added to it to make different kinds of liquids.Anon
- I thought "Orange is the New Black" was about wearing orange to funerals.Anon
- that red and orange were different shades of the same color— Larry
- i used to think that farts came out as a little orange cloud.— mh
- My dad told me that in Florida, snow is orange.— Belle
- I used to believe that if you ate too many carrots your skin and hair would turn orange. — Mariah