Heat flow
Heating something raises its temperature. Heat always moves from a hotter thing to a colder one: from hot tea into the cup and the air, from your warm hand into an ice cube. It keeps moving until the two are equally warm. Cold doesn't move; heat moves out.
Depth 1 · Foundation
You know that heating raises a thing's temperature, and that heat moves from the hotter thing to the colder one until both are equally warm.
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- 1
Foundation
You know that heating raises a thing's temperature, and that heat moves from the hotter thing to the colder one until both are equally warm.
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What's still between you and Heat flow, depth 1, in the order you can learn it.