Physics 0625 · IGCSE · Kinetic particle model of matter
Kinetic particle model of matter — practice question
(a)[2]
State two ways in which evaporation is different from boiling.
(b(i))[1]
Determine the temperature of the liquid oxygen in K.
(b(ii))[2]
State two modes of thermal energy transfer that cannot occur through a vacuum.
(c)[3]
Describe, in particle terms, how a gas produces pressure on the walls of its container.
Worked solution & mark scheme
This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Evaporation takes place only at the surface; boiling occurs through the liquid” …