Which statement about thermal conduction is not correct?
It is the primary method of thermal energy transfer in solid materials.
It occurs when faster-vibrating particles transfer energy to neighboring particles.
In metals, it is assisted by the rapid movement of free (delocalized) electrons.
It can readily take place through a vacuum.
67 exam-style questions on CIE IGCSE Physics 2.3.1a Thermal conductors and thermal insulators. Each one has a worked solution and a mark scheme showing where the marks go.