When I was younger and we used to travel with the windows down I thought the sounds the tires make on the ground was because the tires were new. I also thought that if you ran over the reflectors that were sometimes embedded in the ground on highways you would cut you tires.
A childhood belief about cars

others believed things like this
- I thought ground beef was the meat they scraped off the ground at the slaughterhouse. Yuck.Anon
- I used to believe that if you dig a hole in the ground and put pepper in the hole, the ground would sneeze.— Cookie
- I always thought that shoplifting is about lifting the shop from the ground.— Helen
- Until I was in High School, I really thought that the "underground railroad" was under the ground.— S
- I used to believe that went the sun went down, it went down into the ground over in China.— Danielle, AL
- i used to believe that planes did not fly the ground just moved.— bob the pinecreek