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