After learning in school that trees and plants were actually ALIVE, I used to imagine that the smoke coming from the burning wood in the fireplace was the tree's soul escaping.
A childhood belief about plants

others believed things like this
- I used to think tree-nuts (especially almonds) were made of wood. — Josh
- I used to think that lave lamps were the devil coming out of them trying to steel my soul. until i was like 10— Bianca
- I used to think that the smoke coming from the factories were actually making clouds Anon
- I used to believe that broccoli grew on trees. It looks like a tree, so it made sense, right?— Catherine...
- I used to believe that smoke stacks that pumped out white smoke were cloud makers.— lizzie
- I was told that spaghetti grew on trees and i anounced it in class one day in grammer school.— w.b.