Question

Do all materials conduct heat .Explain​

Answer 1

Answer:

Metals contain free moving delocalized electrons. ... Metal is a good conduction of heat. Conduction occurs when a substance is heated, particles will gain more energy, and vibrate more. These molecules then bump into nearby particles and transfer some of their energy to them.

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Answer 2

Answer:

No

Explanation:

conductors (eg metals),semi conductors(eg : germanium...) etc..only  conduct heat

to conduct heat thee should be a permissible energy gap b/w valence and conduction bnd(there should not be large gap)

insulatos doesnot conduct due to abv reason

hope it helps