Smelting lead Animation Play

Solar energy Simulation Play

Solid waste Student activity Play

Solubility of alkanes Animation Play

Sources of dioxins Slideshow Play

Sources of heat Whiteboard presentation Play

Sources of heat Whiteboard presentation Play

Sources of heat Class activity Play

Sources of heat Class activity Play

Spectra of aliphatic hydrocarbons Student activity Play

Spectra of alkanes, alkenes and alkynes Animation Play

Spectra of aromatic hydrocarbons Student activity Play

Stability of free radicals Animation Play

Standard enthalpies of combustion for selected substances Chart Play

Standard enthalpy of combustion Student activity Play

Standard enthalpy of combustion Whiteboard exercise Play

Standard enthalpy of formation and combustion reactions Illustration Play

Statements about reduction of pollution Whiteboard exercise Play

Straight carbon chain Whiteboard exercise Play

Structural isomerism: chain isomers Student activity Play

Structural isomerism: chain isomers Whiteboard exercise Play

Structural isomers of the alkane C5H12 Slideshow Play

Structure of alkenes Student activity Play

Structures of the simplest alkanes Animation Play

Substitution reaction in a branched alkane Animation Play