A wooden spoon is left resting in a pot of hot soup. Over time, the handle of the spoon becomes warmer.
Which statement explains this?
Molecules of the wood radiate their energy to other molecules.
Molecules of the wood vibrate more and pass on their energy to neighboring molecules.
Free electrons in the wood transfer the thermal energy along the spoon.
The heated molecules very slowly move along the wooden spoon.
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.