Some methods of thermal energy transfer require a physical medium (matter) to transfer energy, whereas one method can transfer thermal energy through a vacuum.
What is the name of the method that can transfer thermal energy through a vacuum?
conduction
convection
evaporation
radiation
99 exam-style questions on CIE IGCSE Physics 2.3.3a Thermal radiation. Each one has a worked solution and a mark scheme showing where the marks go.