In which of the following situations is convection the main method by which thermal energy is transferred?
Thermal energy travelling through a metal spoon resting in a hot mug of tea.
Warm air rising and circulating to heat a room when a floor heater is turned on.
Thermal energy from a campfire warming a person sitting a few metres to the side of the flames.
Energy from the Sun reaching the Earth's atmosphere through space.
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.