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Heat flows from hot to cold because when hot and cold bodies contact with each other (thermal contact), the fast moving molecules of the hot body collide with slow moving molecules of the cold body; therefore the molecules of hot body become slower and body becomes cool, and the molecules of other body (cold) becomes faster and the cold body becomes hot.

Notice: when molecules of a body moves faster it's kinetic energy increase therefore temperature increases and it becomes hot.

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June Douglas

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Q: Why heat flows from hot body to cold body?
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Does heat energy flows from colder to hotter?

No heat does not flow from colder to hotter. It flows from hot to cold.


Why does heat flow from hot body to cold body?

Heat flows from hot to cold because when hot and cold bodies contact with each other (thermal contact), the fast moving molecules of the hot body collide with slow moving molecules of the cold body; therefore the molecules of hot body become slower and body becomes cool, and the molecules of other body (cold) becomes faster and the cold body becomes hot. Notice: when molecules of a body moves faster it's kinetic energy increase therefore temperature increases and it becomes hot.


Why does heat flow from a hot to cold body?

Heat flows from hot to cold because when hot and cold bodies contact with each other (thermal contact), the fast moving molecules of the hot body collide with slow moving molecules of the cold body; therefore the molecules of hot body become slower and body becomes cool, and the molecules of other body (cold) becomes faster and the cold body becomes hot. Notice: when molecules of a body moves faster it's kinetic energy increase therefore temperature increases and it becomes hot.


What is the energy that flows from a warmer body to a colder body?

No, thermal energy always transfers from a relatively hot object to a relatively cold object. This is because, when heated, atoms have more kinetic energy, and they pass this down to the "colder" particles, which have a lesser degree of kinetic energy.


Heat never of itself flows from a cold to a hot substance?

Heat can flow from cold to hot substances. It's flow depends on the total amount of heat of the substance not on the temperature. It flows from the substance which has more heat to the substance which has less heat stored in it.

Related questions

What way can heat flows?

From cold to hot.


How does energy flow in relation to hot or cooler bodies?

Heat energy flows form hot to cold body naturally.


Does heat energy flows from colder to hotter?

No heat does not flow from colder to hotter. It flows from hot to cold.


Why does heat flow from hot body to cold body?

Heat flows from hot to cold because when hot and cold bodies contact with each other (thermal contact), the fast moving molecules of the hot body collide with slow moving molecules of the cold body; therefore the molecules of hot body become slower and body becomes cool, and the molecules of other body (cold) becomes faster and the cold body becomes hot. Notice: when molecules of a body moves faster it's kinetic energy increase therefore temperature increases and it becomes hot.


Why does heat flow from a hot to cold body?

Heat flows from hot to cold because when hot and cold bodies contact with each other (thermal contact), the fast moving molecules of the hot body collide with slow moving molecules of the cold body; therefore the molecules of hot body become slower and body becomes cool, and the molecules of other body (cold) becomes faster and the cold body becomes hot. Notice: when molecules of a body moves faster it's kinetic energy increase therefore temperature increases and it becomes hot.


What is the energy that flows from a warmer body to a colder body?

No, thermal energy always transfers from a relatively hot object to a relatively cold object. This is because, when heated, atoms have more kinetic energy, and they pass this down to the "colder" particles, which have a lesser degree of kinetic energy.


Heat never of itself flows from a cold to a hot substance?

Heat can flow from cold to hot substances. It's flow depends on the total amount of heat of the substance not on the temperature. It flows from the substance which has more heat to the substance which has less heat stored in it.


when a cold object is touched state whether the heat energy flows from the person's hand to the object or the object to the person's hand and why is it so?

Heat always flows from hot to cold. Cold is the absence of heat.


When heat flows from a hot area to a cold area it is called?

It\'s still called heat.


When heat flows from the object to your body it appears?

"warm" (or hot).


Which way does heat flow?

Heat flows from hot to cold. This is because molecules spread around and it goes from hot to cold until thermal equilibrium is reached.


Is hot and cold real?

no. Cold is just the heat in your body leaving so people just think they are cold. Hot is just heat coming in your body.