When I was 4 I believed that if you jumped in the aisle of a bus when it was moving the bus would keep going but you would stop which would make you fly out the back window. I believed it until I tried it.
A childhood belief about physics

others believed things like this
- I believed I could tap dance by moving my feet real fast. — Aussie
- As a child E believed when it thundered that it was god noisily moving his furniture about. — Deb
- When I was about 4 and I saw the clouds moving sideways, I thought that Earth was moving closer to the Sun— Helen
- i used to believe (when i was little) i could make the wind stop and start by saying, "stop" and "start"— Ali
- when i was little someone told me that you died if you put make up on.
they actually believed it— SeZz - I used to believed that smoking would make me a cowboy.— Alberto Batista