A student wraps a piece of damp cloth around the bulb of a thermometer. When a fan blows air across the damp cloth, the temperature recorded by the thermometer decreases. Explain, in terms of particles, how this process causes the temperature of the damp cloth to decrease.
313 exam-style questions on CIE IGCSE Physics 2.2.3a Melting, boiling, condensation and solidification. Each one has a worked solution and a mark scheme showing where the marks go.