Which of these represents transfer of heat through conduction when a fireplace is lit in a room? Hot air rises through the chimney. Cool air is drawn in from the sides. A spade placed in the fire turns hot. A person sitting nearby feels the heat.

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Biology

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28 August, 16:16

Which of these represents transfer of heat through conduction when a fireplace is lit in a room? Hot air rises through the chimney. Cool air is drawn in from the sides. A spade placed in the fire turns hot. A person sitting nearby feels the heat.

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Answers (1)

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Ben Monroe · Answer 1

A spade placed in the fire turns hot.

Explanation:

If you place a spade in the fire, the heat travels through the metal towards your hand. This is an example of conduction: the transmission if heat through a substance by collisions between its particles.

A and B are wrong. The transmission of heat by the movement of air is convection.

D is wrong. A person sitting near the fire feels the heat by radiation.