• State the distinguishing properties of solids, liquids and gases
• Describe the structure of solids, liquids and gases in terms of particle separation, arrangement and types of motion
• Describe changes of state in terms of melting, boiling, evaporation, freezing, condensation and sublimation
• Describe qualitatively the pressure and temperature of a gas in terms of the motion of its particles
• Show an understanding of the random motion of particles in a suspension (sometimes known as Brownian motion) as evidence for the kinetic particle (atoms, molecules or ions) model of matter
• Describe and explain diffusion
• Explain changes of state in terms of the kinetic theory
• Describe and explain Brownian motion in terms of random molecular bombardment
• State evidence for Brownian motion
• Describe and explain dependence of rate of diffusion on molecular mass