The ability to absorb and release objects in heat

In the daily life - days, we often observe the events happening around us. And many of the events we experience physics directly or indirectly. For example, when we hold one end of a heated iron rod, we will join hands to feel the heat. Why would that be???
The event was called the heat transfer.

What is heat?
And how heat transfer occurs?



        At first people to understand the flow of heat as a substance that can not be seen is called plogiston. Then a scientist named Joule conducting experiments on heat. Principle experiment using joule is the energy expense stirring the water being dropped from a certain height. Load was hanged on a rope wrapped around the impeller axis. Impeller are in a vessel containing water called Calorimeter. Impeller is rotated and continued repeatedly. Apparently the water temperature rises. Rising water temperatures caused by the impeller rotation. Turnover was due impeller has kinetic energy. Thus it can be said that the trial was a change kinetic energy into heat, and heat is called heat. Thus, heat is a form of energy, ie heat energy. Heat naturally moves from a high-temperature object to a low-temperature objects until there is thermal equilibrium between the two.
Since heat is a form of energy, therefore the heat can be converted into other forms of energy. Changes in the amount of heat in an object characterized by an increase or decrease in temperature or even change the form of the object. If the object receives heat, the temperature will rise. Instead, the temperature will drop when release heat. Many received or released heat of an object is proportional to the increase or decrease in temperature.Systematically:

Q = mcΔT

Each object has the ability to absorb and release heat. Therefore, the heat capacity term known objects. Heat capacity is defined as the ability of objects to absorb or release heat by temperature changes by one unit of temperature. Systematically:

C = Q / ΔT

So now we know why we are currently holding one end of a heated iron hand we will also feel the heat. It happened because the iron heat release and heat is received by our hands so our hands to feel the heat. The event is called the heat transfer. And every body has the ability to absorb and release heat.