When I was little, not understanding gravity so well I figured that if I wasn't very careful I would fall right off the planet on account of it's constant spinning.
A childhood belief about physics

others believed things like this
- I used to think topping yourself meant killing yourself by spinning upside down, like a spinning top!!— Natasha
- I used to believe that until gravity was invented, people used to just float around!— Meg
- I thought if someone hadn't passed the Law of Gravity, we would all be floating around in space.— Trudee
- I used to be really confused about the whereabouts of God.
On account of: "Our Father who Aren't in Heaven".— Tania Bradshaw - I used to think that you could feel the world spinning.Anon
- When I looked up in the sky and could see the clouds moving I used to think that it was the earth spinning.— JOhn