Answer:
The metal material transfers energy from molecular collisions up the length of the spoon the fastest, allowing the heat to reach the butter the fastest.
Explanation:
During this experiment, the pat of butter on the metal spoon is the first to melt and slide down the spoon rather than plastic and wood spoon. There are two reasons for this:
1) the close packing of the metal ions in the metal.
2) metal has free electrons that carry kinetic energy and transfer it by collision faster than plastic or wood.
Metals are a conductor of heat than plastic and wood because of its molecular composition