I used to believe the sound of thunder was caused by clouds bumping together. And when they bumped together, it made a spark, which was lightning.
A childhood belief about weather

others believed things like this
- I think lightning and thunder is caused by angels throwing temper tantrums Anon
- I always thought thunder was the sound of the crumbling buildings, after lightning had struck them.Anon
- I think thunder is the clouds fighting and bashing eachother and lightning is fire balls from the sun.— Crazy Cowgirl MADI
- I was told as a child that the sound of thunder was from angels bowling in the clouds.— Patty, NY
- I used to believe that thunder happened when God was bowling. Lightning meant he made a strike!Anon
- I used to believe that people could fly during thunder and lightning, because I dreamt this once— Minimania