Sources of energy and the respiratory quotient Illustration Play

Sources of heat Class activity Play

Sources of heat Class activity Play

Sources of heat Whiteboard presentation Play

Sources of heat Whiteboard presentation Play

Sources of light Student activity Play

Sources of light Illustration Play

Spectral analysis Student activity Play

Spectral series Animation Play

Spectroscope Animation Play

Spectroscopy and electromagnetic radiation Student activity Play

Spectroscopy and quantisation of energy Animation Play

Spectrum of electromagnetic radiation Illustration Play

Spectrum of electromagnetic waves Illustration Play

Spectrum of electromagnetic waves Whiteboard exercise Play

Spectrum of hydrogen Whiteboard exercise Play

Spectrum of hydrogen Student activity Play

Speed of light in transparent materials Illustration 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

Spruces and pines Animation Play

Stability of the nuclei Whiteboard presentation Play

Stability of the nuclei Class activity Play