SC-1391
Radiation
Lower Sec Science · Secondary 2 · Medium · Radiation
A black metal railing is left in the sun. It becomes very hot. Which statement best explains how it gains most of its heat from the Sun?
- By radiation, as the railing absorbs heat waves from the Sun.
- By conduction, as hot air particles touch the railing.
- By convection, as warm air currents flow into the railing.
- By evaporation, as water on the railing turns into vapour.
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