I used to believe that heat and cold were two separate energy forces. It was only actually "cold" when the temperature was below zero, whereas seemingly cold temperatures above zero merely indicated a lack of heat.
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