I thought that the sound you hear when you put a seashell to your ear was a "recording" of the sea waves and that after the shell was out of the ocean for the same amount of time that it was originally in the ocean the "recording" would end and the sound would stop.
A childhood belief about water

others believed things like this
- I used to believe that somebody turned the ocean waves off at night.— David
- I used to believe that the waves in the ocean were made from whales swimming by...— Tina
- I used to think that the song "My Bonnie Lies Over the Ocean" was really "My Body Lies Over the Ocean."Anon
- I remember being scared of the ocean for a while as a little kid. I thought lobsters would pinch my toes.— Flipper
- This may sound absurd but I thought the numbers next to the Bible versus said what time the person said it at!— Biomeka
- i didnt knew it rained over the ocean...Anon