The ideal gas law Student activity Play

The inner structure of the atom Student activity Play

The interaction between molecules Animation Play

The internal energy of a body Whiteboard exercise Play

The internal energy of a body Student activity Play

The internal energy of a body Whiteboard exercise Play

The internal energy of a body Animation Play

The internal energy of a gas Student activity Play

The length of the DNA molecule Whiteboard exercise Play

The mass spectrum of chlorine gas Whiteboard exercise Play

The meaning of the chemical formulae Whiteboard exercise Play

The mechanism of dehydratation reaction Animation Play

The melting points of simple molecular solids Animation Play

The model of propane Illustration Play

The molar mass Student activity Play

The molar mass Whiteboard exercise Play

The molar volume of substances Animation Play

The most probable velocity and the gas temperature Simulation Play

The most probable velocity and the gas temperature Simulation Play

The most probable velocity and the gas temperature Whiteboard exercise Play

The most probable velocity and the gas temperature Student activity Play

The need for food Student activity Play

The need for food Whiteboard exercise Play

The number of atoms Illustration Play

The oxidation of of sulphate(IV) ions to sulphate(VI) ions Animation Play