Physics 0625 · IGCSE · Thermal properties and temperature
Thermal properties and temperature — practice question
(a(i))[2]
Define the term specific latent heat of fusion.
(a(ii))[2]
State and explain which cup has the lower-temperature liquid after 10 minutes.
(b(i))[3]
Explain, in terms of molecules, how evaporation of sweat cools the person.
(b(ii))[1]
Explain why this process works better when wind is blowing.
Worked solution & mark scheme
This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Energy transferred when $1\text{ kg}$ (unit mass) of a substance melts or freezes” …