Kopp's law

Kopp's law is like a rule that says things of the same type always have the same amount of heat. It means that if you have two things made of the same material, they will get hot (or cold) at the same rate if they are put in the same conditions.

For example, if you put two identical ice cubes in two different glasses, and then leave them on the table for a while, they will both melt at about the same time. This is because the ice cubes are made of the same material, and Kopp's law says that they will react to the same environment in the same way.

Similarly, if you have two metal wires, and you heat them up with a flame, they will both start getting hot at the same rate, and they will also cool down at the same rate when you take the flame away. This is because they are the same type of material, and Kopp's law applies to them.

Overall, Kopp's law is a way to help us understand how different things behave when exposed to heat, by showing us that things made of the same stuff react in the same way.