Question

When the temperature of an object decreases, what has happened?

Answer 1

Explanation:

When we decrease the temperature, less heat energy is supplied to the atoms, and so their average kinetic energy decreases.

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Answer 2

By calculating heat, when the temperature of an object increases, the value of heat is positive.

But when the temperature of an object decreases, the value of heat is negative.

Heat is transfer of energy.

It changes the average kinetic energy of particles.

In most of the cases energy transfers from higher temperature to lower temperature.

An object decreases its temperature by gaining energy in the form of heat to its surroundings.

As the temperature decreases, the rate of energy transfer slows down.