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Dear 4 RSL Heroes,

Is heat the same as temperature?

Choose your side and tell us why! Do go the internet and attach some pictures / information to support your answers.

I look forward to seeing your posts.

Ms Neo

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heat is different from temperature because.........(picture will explain a little:)

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maybe this video willexplain more

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Heat and temperature is different this picture will tell you why?

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No, heat is not the same as temperature.

Heat and temperature are related to each other, but are different concepts. Heat is the total energy of molecular motion in a substance while temperature is a measure of the average energy of molecular motion in a substance.

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Heat is SOOO not the same as temperature. Temperature is about how the kinetic energy moves. Heat is about a measure of the flow of energy due to different temperatures in different objects.

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No, heat is the amount of energy that something has. Temperature is a measure of the hotness or coldness of something. Let's say you begin heating two different-sized pots of water at the same time. The larger pot with more water has to be heated for a longer time for the water to attain the same temperature as the water in the smaller pot. So, the larger pot of water has more heat than the smaller pot even though they both have the same temperature.

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no. heat and temperature are different. temperature is a measurement of heat.

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Yes heat is the same as temperature. If an object has a high temperature, it would mean that it is hot and has a lot of heat!

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Max                                          No. Heat is different from temperature. Heat is a measurement of energy. Temperature is a measurement average heat or thermal energy in a substance. 

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Max                                          No. Heat is different from temperature. Heat is a measurement of energy. Temperature is a measurement average heat or thermal energy in a substance. 

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No,heat is not the same as  temperature heat is a sorce of energy but temperature is the the amount of Heat or cold nest detected.
Got the answer from my Brother

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No, the units for measuring heat and temperature are not the same. Temperature is measured in degrees, and usually in the Kelvin, Centigrade or Fahrenheit scales. Heat, as a form of energy, might be measured in joules, watts, BTU's or another unit, depending on the application.

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No, the units for measuring heat and temperature are not the same. Temperature is measured in degrees, and usually in the Kelvin, Centigrade or Fahrenheit scales. Heat, as a form of energy, might be measured in joules, watts, BTU's or another unit, depending on the application.

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Syed Haziq Irfan

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temperature is a measure of the average energy of molecular motion in a substance.

Heat is the total energy of molecular motion in a substance

temperature is to measure of some thing example : you measure the temperature of heat like 200 degrees

heat is the quality of being hot; high temperature.

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There is heat and cold in temperature, Heat is formed when an animal/human feels hot. If it/he/she feels very hot, it/he/she will perspire/sweat. As we know heat is very powerful in its own way. So forth heat is very powerful as named heat is a strong type of energy. Thank you for reading, and here is a video I found that explains heat

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Watch the video.

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Often we think that heat and temperature are the same thing. However, this is not the case. Heat and temperature are related to each other, but are different concepts. Heat is the total energy of molecular motion in a substance while temperature is a measure of the average energy of molecular motion in a substance

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Earlier in this lesson, five dictionary style definitions of temperature were given. They were:

The degree of hotness or coldness of a body or environment.

A measure of the warmth or coldness of an object or substance with reference to some standard value.

A measure of the average kinetic energy of the particles in a sample of matter, expressed in terms of units or degrees designated on a standard scale.

A measure of the ability of a substance, or more generally of any physical system, to transfer heat energy to another physical system.

Any of various standardized numerical measures of this ability, such as the Kelvin, Fahrenheit, and Celsius scale

As mentioned, the first two bullet points have rather obvious meanings. The third bullet point was the topic of the previous page in this lesson. The fifth bullet point was the definition that we started with as we discussed temperature and the operation of thermometers; it was the topic of the second page in this lesson. That leaves us with the fourth bullet point - defining temperature in terms of the ability of a substance to transfer heat to another substance. This part of Lesson 1 is devoted to understanding how the relative temperature of two objects affects the direction that heat is transferred between the two objects.

What is Heat?

Consider a very hot mug of coffee on the countertop of your kitchen. For discussion purposes, we will say that the cup of coffee has a temperature of 80°C and that the surroundings (countertop, air in the kitchen, etc.) has a temperature of 26°C. What do you suppose will happen in this situation? I suspect that you know that the cup of coffee will gradually cool down over time. At 80°C, you wouldn't dare drink the coffee. Even the coffee mug will likely be too hot to touch. But over time, both the coffee mug and the coffee will cool down. Soon it will be at a drinkable temperature. And if you resist the temptation to drink the coffee, it will eventually reach room temperature. The coffee cools from 80°C to about 26°C. So what is happening over the course of time to cause the coffee to cool down? The answer to this question can be both macroscopic and particulate in nature.

On the macroscopic level, we would say that the coffee and the mug are transferring heat to the surroundings. This transfer of heat occurs from the hot coffee and hot mug to the surrounding air. The fact that the coffee lowers its temperature is a sign that the average kinetic energy of its particles is decreasing. The coffee is losing energy. The mug is also lowering its temperature; the average kinetic energy of its particles is also decreasing. The mug is also losing energy. The energy that is lost by the coffee and the mug is being transferred to the colder surroundings. We refer to this transfer of energy from the coffee and the mug to the surrounding air and countertop as heat. In this sense, heat is simply the transfer of energy from a hot object to a colder object.

Now let's consider a different scenario - that of a cold can of pop placed on the same kitchen counter. For discussion purposes, we will say that the pop and the can which contains it has a temperature of 5°C and that the surroundings (countertop, air in the kitchen, etc.) has a temperature of 26°C. What will happen to the cold can of pop over the course of time? Once more, I suspect that you know the answer. The cold pop and the container will both warm up to room temperature. But what is happening to cause these colder-than-room-temperature objects to increase their temperature? Is the cold escaping from the pop and its container? No! There is no such thing as the cold escaping or leaking. Rather, our explanation is very similar to the explanation used to explain why the coffee cools down. There is a heat transfer.

Over time, the pop and the container increase their temperature. The temperature rises from 5°C to nearly 26°C. This increase in temperature is a sign that the average kinetic energy of the particles within the pop and the container is increasing. In order for the particles within the pop and the container to increase their kinetic energy, they must be gaining energy from somewhere. But from where? Energy is being transferred from the surroundings (countertop, air in the kitchen, etc.) in the form of heat. Just as in the case of the cooling coffee mug, energy is being transferred from the higher temperature objects to the lower temperature object. Once more, this is known as heat - the transfer of energy from the higher temperature object to a lower temperature object.

Another Definition of Temperature

Both of these scenarios could be summarized by two simple statements. An object decreases its temperature by releasing energy in the form of heat to its surroundings. And an object increases its temperature by gaining energy in the form of heat from its surroundings. Both the warming up and the cooling down of objects works in the same way - by heat transfer from the higher temperature object to the lower temperature object. So now we can meaningfully re-state the definition of temperature. Temperature is a measure of the ability of a substance, or more generally of any physical system, to transfer heat energy to another physical system. The higher the temperature of an object is, the greater the tendency of that object to transfer heat. The lower the temperature of an object is, the greater the tendency of that object to be on the receiving end of the heat transfer.

But perhaps you have been asking: what happens to the temperature of surroundings? Do the countertop and the air in the kitchen increase their temperature when the mug and the coffee cool down? And do the countertop and the air in the kitchen decrease its temperature when the can and its pop warm up? The answer is a resounding Yes! The proof? Just touch the countertop - it should feel cooler or warmer than before the coffee mug or pop can were placed on the countertop. But what about the air in the kitchen? Now that's a little more difficult to present a convincing proof of. The fact that the volume of air in the room is so large and that the energy quickly diffuses away from the surface of the mug means that the temperature change of the air in the kitchen will be abnormally small. In fact, it will be negligibly small. There would have to be a lot more heat transfer before there is a noticeable temperature change.

Thermal Equilibrium

In the discussion of the cooling of the coffee mug, the countertop and the air in the kitchen were referred to as the surroundings. It is common in physics discussions of this type to use a mental framework of a system and the surroundings. The coffee mug (and the coffee) would be regarded as the system and everything else in the universe would be regarded as the surroundings. To keep it simple, we often narrow the scope of the surroundings from the rest of the universe to simply those objects that are immediately surrounding the system. This approach of analyzing a situation in terms of system and surroundings is so useful that we will adopt the approach for the rest of this chapter and the next.

Now let's imagine a third situation. Suppose that a small metal cup of hot water is placed inside of a larger Styrofoam cup of cold water. Let's suppose that the temperature of the hot water is initially 70°C and that the temperature of the cold water in the outer cup is initially 5°C. And let's suppose that both cups are equipped with thermometers (or temperature probes) that measure the temperature of the water in each cup over the course of time. What do you suppose will happen? Before you read on, think about the question and commit to some form of answer. When the cold water is done warming and the hot water is done cooling, will their temperatures be the same or different? Will the cold water warm up to a lower temperature than the temperature that the hot water cools down to? Or as the warming and cooling occurs, will their temperatures cross each other?

Fortunately, this is an experiment that can be done and in fact has been done on many occasions. The graph below is a typical representation of the results.

As you can see from the graph, the hot water cooled down to approximately 30°C and the cold water warmed up to approximately the same temperature. Heat is transferred from the high temperature object (inner can of hot water) to the low temperature object (outer can of cold water). If we designate the inner cup of hot water as the system, then we can say that there is a flow of heat from the system to the surroundings. As long as there is a temperature difference between the system and the surroundings, there is a heat flow between them. The heat flow is more rapid at first as depicted by the steeper slopes of the lines. Over time, the temperature difference between system and surroundings decreases and the rate of heat transfer decreases. This is denoted by the gentler slope of the two lines. (Detailed information about rates of heat transfer will be discussed later in this lesson.) Eventually, the system and the surroundings reach the same temperature and the heat transfer ceases. It is at this point, that the two objects are said to have reached thermal equilibrium.

The Zeroeth Law of Thermodynamics

In our chapter on electric circuits, we learned that a difference in electric potential between two locations causes a flow of charge along a conducting path between those locations. As long as an electric potential difference is maintained, a flow of charge will exist. Now in this chapter we learn a similar principle related to the flow of heat. A temperature difference between two locations will cause a flow of heat along a (thermally) conducting path between those two locations. As long as the temperature difference is maintained, a flow of heat will occur. This flow of heat continues until the two objects reach the same temperature. Once their temperatures become equal, they are said to be at thermal equilibrium and the flow of heat no longer takes place.

This principle is sometimes referred to as the zeroeth law of thermodynamics. This principle became formalized into a law after the first, second and third laws of thermodynamics had already been discovered. But because the law seemed more fundamental than the previously discovered three, it was titled the zeroeth law. All objects are governed by this law - this tendency towards thermal equilibrium. It represents a daily challenge for those who wish to control the temperature of their bodies, their food, their drinks and their homes. We use ice and insulation to try to keep our cold drinks cold and we use insulation and ongoing pulses of microwave energy to keep our hot drinks hot. We equip our vehicles, our homes and our office buildings equipped with air conditioners and fans in order to keep them cool during the warm summer months. And we equip these same vehicles and buildings with furnaces and heaters in order to keep them warm during the cold winter months. Whenever any of these systems are at a different temperature as the surroundings and not perfectly insulated from the surroundings (an ideal situation), heat will flow. This heat flow will continue until the system and surroundings have achieved equal temperatures. Because these systems have a considerably smaller volume than the surroundings, there will be a more noticeable and substantial change in temperature of these systems.

The Caloric Theory

Scientists have long pondered the nature of heat. Well into the mid-19th century, the most accepted notion of heat was one that associated it with a fluid known as caloric. Noted chemist Antoine Lavoisier reasoned that there were two forms of caloric - the kind that was latent or stored in combustible materials and the kind that was sensible and observable through a temperature change. For Lavoisier and his followers, the burning of fuel resulted in the release of this latent heat to the surroundings where it was observed to cause a temperature change of the surroundings. To Lavoisier and his followers, the heat was always present - either in latent form or in sensible form. If a hot kettle of water cooled down to room temperature, it was explained by the flow of caloric from the hot water to the surroundings.

According to caloric theory, heat was material in nature. It was a physical substance. It was stuff. Like all stuff in Lavoisier's world, caloric was a conserved substance. Similar to our modern view of heat, the calorist view was that if caloric was released by one object, then it was gained by another object. The total amount of caloric never changed; it was simply transferred from one object to another and transformed from one type (latent) to another type (sensible). But unlike our modern view of heat, caloric was an actual physical substance - a fluid that could flow from one object to another. And unlike our modern view, heat was always present in one form or another. Finally, in the modern view, heat is present only when there is an energy transfer. It is senseless to speak of the heat as still existing once the two objects have come to thermal equilibrium. Heat is not something contained in an object; rather it is something transferred between objects. The heat no longer exists when the transfer ceases.

The Fall of Caloric Theory

While there were always alternatives to the caloric theory, it was the most accepted view up until the mid 19th century. One of the first challenges to the caloric theory was from Anglo-American scientist Benjamin Thompson (a.k.a., Count Rumford). Thompson was one of the primary scientists appointed to the task of boring out the barrels of cannons for the British government. Thompson was amazed by the high temperatures reached by the cannons and by the shavings that were shed from the cannons during the boring process. In one experiment, he immersed the cannon in a tank of water during the boring process and observed that the heat generated by the boring process was capable of boiling the surrounding water within a few hours. Thompson demonstrated that this heat generation occurred in the absence of any chemical or physical change in the cannon's composition. He attributed the generation of heat to friction between the cannon and the boring tool and argued that it could not have been the result of the flow of fluid into the water. Thompson published a paper in 1798 that challenged the view that heat was a fluid that was conserved. He advocated a mechanical view of heat, suggesting that its origin was related to the motion of atoms and not the transfer of a fluid.

English physicist James Prescott Joule took up where Thompson left off, delivering several fateful blows to the caloric theory through a collection of experiments. Joule, for whom the standard metric unit of energy is now named, performed experiments in which he experimentally related the amount of mechanical work to the amount of heat transferred from the mechanical system. In one experiment, Joule allowed falling weights to turn a paddle wheel that was submerged in a reservoir of water. A drawing of the apparatus is depicted at the right (from Wikimedia; public domain). The falling weights did work on the paddle wheel, which in turn heated the water. Joule measured both the amount of mechanical work done and the amount of heat gained by the water. Similar experiments demonstrating that heat could be generated by an electric current dealt a further blow to the thought that heat was a fluid that was contained within substances and was always conserved.

As we will learn in great detail in the next chapter, objects possess internal energy. In chemical reactions, a portion of this energy can be released to the surroundings in the form of heat. However, this internal energy is not a material substance or a fluid contained by the object. It is simply the potential energy stored in the bonds that hold particles within the object together. Heat or thermal energy is the form this energy possesses when it is being transferred between systems and surroundings. There is nothing material about heat. It is neither a substance nor a fluid that is conserved. Heat is a form of energy that can be transferred from one object to another or even created at the expense of the loss of other forms of energy.

To review, temperature is a measure of the ability of a substance, or more generally of any physical system, to transfer heat energy to another physical system. If two objects - or if a system and its surroundings - have a different temperature, then they have a different ability to transfer heat. Over time, there will be a flow of energy from the hotter object to the cooler object. This flow of energy is referred to as heat. The heat flow causes the hotter object to cool down and the colder object to warm up. The flow of heat will continue until they reach the same temperature. At this point, the two objects have established a thermal equilibrium with each other.

In the next part of this lesson, we will explore the mechanism of heat transfer. We will look at the various methods by which heat can be transferred from object to object or even from one location within an object to another. We will learn that the macroscopic can be explained in terms of the microscopic.

Check Your Understanding

1. For each of the following designations of a system and a surroundings, identify the direction of heat flow as being from the system to the surroundings or from the surroundings to the system.

a.

b.

c.

2. A chemistry teacher claims that the heat content of a particular substance is 246 kJ/mol. Is the chemistry teacher claiming that the substance contains heat? Explain what it meant by this claim.

3. Explain why high quality thermos bottles have a vacuum lining as a major component of their insulating ability.

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The Physics Classroom Tutorial presents physics concepts and principles in an easy-to-understand language. Conceptual ideas develop logically and sequentially, ultimately leading into the mathematics of the topics. Each lesson includes informative graphics, occasional animations and videos, and Check Your Understanding sections that allow the user to practice what is taught.

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The hotter an object is, the faster the motion of the molecules inside it. Thus, theheat of an object is the total energy of all the molecular motion inside that object.Temperature, on the other hand, is a measure of the average heat or thermal energy of the molecules in a substance.

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temperature

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is this a heat or a plasma

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The core difference is that heat deals with thermal energy, whereas temperature is more concerned with molecular kinetic energy

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The concept of heat and temperature are studied together in science, which is somewhat related but not alike. The terms are very common, due to their wide usage in our day to day life. There exist a fine line which demarcates heat from temperature, in the sense that heat is thought of, as a form of energy, but the temperature is a measure of energy.

The fundamental difference between heat and temperature is slight but significant, heat is the overall energy of the molecular motion, whereas temperature is the average energy of the molecular motion. So, let's take a look at the article given below, in which we have simplified the two for you.

Content: Heat Vs Temperature

Comparison Chart

Definition of Heat

The heat of an object is the aggregate energy of all molecular movement inside the object. A form of energy that is transmitted from one object or source to another due to the differences in their temperature. It moves from a hotter object to the cooler one. Its measurement can be done in energy units, i.e. calorie or joules. The transfer of heat can take place in three ways, which are -

Conduction: Heat transfer between molecules which are in direct contact with each other, without the movement of particles.

Convection: The transfer of heat that takes place due to the movement of particles from one place to another is convection.

Radiation: When the heat is transferred through a medium or vacuum, wherein space in between, is not heated up.

Definition of Temperature

Temperature is defined as the average kinetic energy of all molecules together, i.e. average energy of all the particles in an object. As an average measurement, the temperature of a substance does not rely on its size (number of particles) and type. It identifies how hot or cold an object is, in degrees. It also measures, the speed of atoms and molecules of the substance.

It can be measured in various scales, which are - Kelvin, Celsius and Fahrenheit. The thermometer is used to gauge the temperature of the object.

Key Differences Between Heat and Temperature

The differences between heat and temperature can be drawn clearly on the following grounds:

1. Heat is nothing but the amount of energy in a body. As against this, temperature is something that measures the intensity of heat.

2. Heat measures both kinetic and potential energy contained by molecules in an object. On the other hand, temperature measures average kinetic energy of molecules in substance.

3. The main feature of heat is that it travels from hotter region to cooler region. Unlike temperature, which rises when heated and falls when cooled.

4. Heat possesses the ability to work, but the temperature is used exclusively to gauge the extent of heat.

5. The standard unit of measurement of heat is Joules, while that of temperature is Kelvin, but it can also be measured in Celsius and Fahrenheit.

6. Calorimeter is a device, which is used to measure the heat. On the other hand, temperature can be measured by thermometer.

7. Heat is represented by 'Q' whereas 'T' is used to represent temperature.

Conclusion

Both heat and temperature are the concepts of thermodynamics; that works together to let the energy flow from hotter body to the cooler body. While heat depends on the number of particles in an object, temperature does not depend on a number of particles in an object because it is an average measurement.

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Difference Between Heat and Temperature (with Comparison Chart) - Key Differences

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The main difference between heat and temperature is heat is the overall energy of the molecular motion, whereas temperature is the average energy of the molecular motion.

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Heat is unlike temperture, heat is the transfer of energy from a hotter body to a colder body
emperture is an intensive variable
So they are not the same

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yes heat is a temperature

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Heat is different form temperature because heat is energy
Hope this will help you 🤩

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What's the Difference between Heat and Temperature?

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Heat is not the same as temperature
Hope this video will help you

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What's the Difference between Heat and Temperature?

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No. Heat is different from temperature. Hope ya understand!

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HEAT IS NOT TEMPERATURE BECAUSE TEMPERATURE IS USED TO MEASURE HEAT AND COOL HEAT IS ENERGY IT CANNOT BE TEMPERATURE. BUT MY SIS SAY HEAT IS TEMPERATURE

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Here is my answer i am not sure it will explain to you but i get it!

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here's a little proof

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No heat is not same as temperatures.

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What's the Difference between Heat and Temperature?

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This video will explain more about
heat and temperature.

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Difference Between Heat and Temperature | Kids Videos

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no,heat is a form of energy that is very important to living things.Temperature is a measurement of how hot or cold an object is.

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Of course heat is not temperature
Heat is the total energy of molecular motion in a substance while temperature is a measure of the average energy of molecular motion in a substance. Heat energy depends on the speed of the particles, the number of particles (the size or mass), and the type of particles in an object. Temperature does not depend on the size or type of object. For example, the temperature of a small cup of water might be the same as the temperature of a large tub of water, but the tub of water has more heat because it has more water and thus more total thermal energy.

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I

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Circuit and current
In cell the chemical energy is change into electric energy.
Battery means more than one cell is known as battery
Electric circuit, path for transmitting electric current.

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Ketan ajay lokhande
Class 7th f