Not all the material absorbs heat at the same speed if the material have the same temperature change. For example, if water, iron, mercury, and gold in the same weight and same initial temperature,have temperature increase the same, each will absorb different amounts of heat.
Unit called the specific heat is used to show the heat absorption capability. Specific heat of a substance is the amount of calories needed to raise the temperature of one gram of a substance by 1 degree centigrade.
