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Multiple Choice

Conduction is defined as:

Conduction is heat transfer through direct contact between substances. When two things touch, the hotter part of one transfers energy to the cooler part by particle collisions and, in metals, by free electrons moving and passing energy along. This transfer happens without the whole material moving as a fluid, which is what happens in convection, and it’s not about heat radiating away through space, which is radiation. So the description that fits best is heat moving directly from one substance to another it is touching.

Conduction is heat transfer through direct contact between substances. When two things touch, the hotter part of one transfers energy to the cooler part by particle collisions and, in metals, by free electrons moving and passing energy along. This transfer happens without the whole material moving as a fluid, which is what happens in convection, and it’s not about heat radiating away through space, which is radiation. So the description that fits best is heat moving directly from one substance to another it is touching.