Spec 0625
Revise CIE IGCSE Physics 2.3.1b Explaining thermal conduction with the question bank and revision guides.
Describe thermal conduction in all solids in terms of atomic or molecular lattice vibrations and also in terms of the movement of free (delocalised) electrons in metallic conductors • Describe, in terms of particles, why thermal conduction is bad in gases and most liquids
