#5.1.2a
solids, liquids and gases in terms of the spacing, ordering and motion of atoms or molecules
#5.1.2b
simple kinetic model for solids, liquids and gases
#5.1.2c
Brownian motion in terms of the kinetic model of matter and a simple demonstration using smoke particles suspended in air
#5.1.2d
internal energy as the sum of the random distribution of kinetic and potential energies associated with the molecules of a system
#5.1.2e
absolute zero (0 K) as the lowest limit for temperature; the temperature at which a substance has minimum internal energy
#5.1.2f
increase in the internal energy of a body as its temperature rises
#5.1.2g
changes in the internal energy of a substance during change of phase; constant temperature during change of phase.