We all used to think that heat dn cold were cyclical; that is something got cold enough it got hot. This was from playing with dry ice.
A childhood belief about physics

others believed things like this
- I thought that cold was an actual, positive force and not just the absence of heat— terberous
- that coleslaw was cold slaw. Anon
- I used to think the "Cold War" was a war where countries tried to freeze each other to win the war. Anon
- Ever since I was 8, i never ate chili because i thought it ws cold.— James
- I used to believe that the cold war was happening in Siberia or Alaska.— Liam
- I used to think if you caught a cold during summer, it was called a "hot".— Brandon Campbell