I used to believe that if you shouted into a balloon whilst blowing it up and then tied it up, the same noise would come out later on when you popped it!
A childhood belief about physics

others believed things like this
- I used to believe that there was a time limit whilst using the loo.— Helen
- I used to believe that if you did not keep your shoes tied, that the police would arrest you.— Kelly
- I used to believe that Haggis grew on trees, cause my dad tied one to a branch in the garden— Lynne
- I used to belief that a serial killer popped out of a cereal box. — chelsea layman
- i used to belive that if you talked into a bubble while blowing into it it would say what you said before— austin franck
- When i was young I used to believe if I ate ham fat I was going to inflate like a balloon— a guy