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Difference between heat and temperature

There are a variety of concepts in Physics. It is necessary to have more apparent concepts, and students must know the differences between different terms. Heat and temperature are the most often used terms in Physics. Students have to encounter it frequently. They consider both of these to be the same thing. However, there are significant differences between these.

Heat VS Temperature

What is Heat?

Heat is the term that is concerned with thermal energy. It involves the transfer of thermal energy. When the thermal energy runs between molecules, then it is papular as heat. It is the best measure of energy flow. Let’s make the concept even easier with the assistance of an example. The energy transfer or change is heat. Hence, when an object is subjected to molecules’ movement, it can either gain or lose heat. It is not the property of any object and characterize by the process variable. When we heat a rod, then the molecules get excited. The excitement leads to the transfer of molecules from one end to another. It conveys well to the other end of the rod and can be felt with the hand. It accounts for the sum of potential energy and kinetic energy.

What is Temperature?

Temperature is the term that includes molecular kinetic energy, reflecting the degree of coldness or hotness of the body. Temperature can often be high or low, and hence it reflects heat and coldness, respectively. It can describe in terms of the average kinetic energy of the object’s molecule. There is no working ability in the case of temperature, while for the heat, there does exist the working ability. 

Units Difference between heat and temperature

The unit of heat is Joules. Whenever we talk about the heat, then it express in terms of Joules. However, the temperature is the term that measures different types of units. The SI unit for temperature is Kelvin. Other units of temperature are Rankine, Fahrenheit, and Celsius. It is the physical property of the object that is measurable and hence known as a stable variable. Other significant physical properties are easy to measure. These include density, mass, and velocity. 

Measurement difference between heat and temperature

Q use to express heat, while for the representation of temperature, T use. Measurement of heat and temperature is possible. There are specific instruments for these. Thermometer is the right instrument for measuring temperature and is often used to determine body temperature. In contrast, the calorimeter is the instrument that determines heat.  There are different sources of heat energy. These are nuclear reactions, electricity, biomass gas, thermal power stations, fossil fuels, and solar radiations.

In a Nutshell 

The difference in temperature that occurs between the molecules is heat. The thermal energy helps in conveying the energy of excited molecules—the consistent supply of thermal energy throughout the edge. In comparison, the discontinuation of it will transfer thermal energy to the point where molecules are excited. And it does not necessarily have the concern till the end of the edge of the object.

Also read: Difference between structure and union



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