Two methods by which thermal energy can be transferred are convection and radiation.
Which statement is correct?
Convection can transfer thermal energy through a solid block of copper.
Convection involves the bulk movement of fluid driven by density differences.
Thermal radiation requires a material medium to transfer energy.
Thermal radiation is only emitted by objects at temperatures above 100∘C100^\circ\text{C}100∘C.
73 exam-style questions on CIE IGCSE Physics 2.3.2 Convection. Each one has a worked solution and a mark scheme showing where the marks go.