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zachtheperson t1_j9e3bjk wrote

Heat is the kinetic energy of particles. The more they move, they more they bump into other particles and knock them around as well, "heating," them up.

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idontbelievestuff1 t1_j9e818j wrote

i could be wrong but i think the ops question is something like this....

if you put a flame under a piece of steel, the particles in the steel move around faster, which we feel as heat.....but why does the flame make them move faster?

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jaa101 t1_j9e9ouu wrote

Mostly conduction, meaning the particles of the hot gases of the flame are moving very fast and keep bumping into the steel particles.

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remarkablemayonaise t1_j9ejks9 wrote

Heat is the transfer of energy from a hot object to another. The temperature of an object is a measure of the typical kinetic energy of the particles.

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