heat - Students, Britannica Kids

In physics, heat is energy that is transferred from one body to another because of a difference in temperature. Heat is so well known from our earliest childhood that we…

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Britannica All New Kids' Encyclopedia: What We Know & What We Don't (Hardcover)

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energy - Kids, Britannica Kids

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heat - Students, Britannica Kids

absolute zero - Students, Britannica Kids

matter - Kids, Britannica Kids

refrigeration: vapor-absorption refrigeration - Students, Britannica Kids