Which process primarily involves the transfer of thermal energy by conduction?
a person feeling the warmth of a campfire from several meters away
warm air rising above a radiator to heat a bedroom
heat traveling along a metal spoon when placed in a hot cup of tea
sea breezes created by the uneven heating of land and water
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.