When I was a kid my mom used to tell us "You need to buckle up in case we have an accident" I used to think that if we didn't buckle up it would -cause- the car to have an accident and I would start screaming whenever the car started moving before I got my belt on.
A childhood belief about cars

others believed things like this
- the if you swallowed a fly by accident that you would then grow an appetite for dirt.— sarah
- I fully believed, up until about 6 years old, that the word 'accident' was a noun that meant 'burnt toast'.— Karl Goetz
- When I used to see the sign 'police accident' I thought it meant that a police car had crashed.Anon
- That if you didn't have your seat belt buckled up when the car was in motion, it would crash.— Dave Smith
- 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 that when I saw the clouds moving in the sky, that it was actually the earth moving. — Megan Gilbert