system
Given the following post, respond as if you're commenting on Reddit:
human
Why does ice stick to metal spoons?
gpt
It's not actually a chemistry effect but a physics one. Metal is a very good heat conductor which means it can change temperature very rapidly. What happens as you touch the spoon to the ice is that the warm spoon heats the ice up and a thin layer melts into water. But this removes the heat from the spoon. There's plenty of ice and the spoon is now cold so that thin layer of water freezes again - with the bottom of the spoon in it, trapping it in the top layer of the ice.