Heat and temperature are closely related concepts in physics, but they are not the same thing. Heat refers to the transfer of energy between objects due to a temperature difference, while temperature measures the average kinetic energy of the particles in a substance.
When heat is added to a substance, its temperature usually increases because the particles in the substance gain kinetic energy and move faster. Conversely, when heat is removed, the temperature typically decreases as the particles lose kinetic energy and slow down.
However, the relationship between heat and temperature is not always straightforward. The amount of heat required to change the temperature of a substance depends on its specific heat capacity. Substances with a high specific heat capacity require more heat to change their temperature compared to those with a low specific heat capacity.
In summary, heat is the energy transferred due to temperature differences, and temperature is a measure of the average kinetic energy of particles. Understanding this relationship helps explain many everyday phenomena, from why a metal spoon heats up faster than a wooden one to how our bodies regulate temperature.