Sound and energy Illustration Play

Sound intensity Whiteboard exercise Play

Sound intensity Student activity Play

Source of electricity Animation Play

Sources of energy and the respiratory quotient Illustration Play

Sources of heat Class activity Play

Sources of heat Whiteboard presentation Play

Sources of heat Whiteboard presentation Play

Sources of heat Class activity Play

Spectral series Animation Play

Spectroscopy and electromagnetic radiation Student activity Play

Spectroscopy and quantisation of energy Animation Play

Spectrum of hydrogen Whiteboard exercise Play

Spectrum of hydrogen Student activity Play

Spontaneous and stimulated emission Whiteboard exercise Play

Spontaneous and stimulated emission Student activity Play

Spontaneous changes Animation Play

Spontaneous changes and probability Student activity Play

Stability of the nuclei Whiteboard presentation Play

Stability of the nuclei Class activity Play

Standard enthalpy change for hydrogenation of ethene Animation Play

Standard enthalpy change. Hess’s law Whiteboard presentation Play

Standard enthalpy change. Hess’s law Class activity Play

Standard enthalpy of atomisation Student activity Play

Standard enthalpy of atomisation of non-metals Animation Play