Sound intensity Whiteboard exercise Play

Sound intensity Class activity Play

Sound intensity Student activity Play

Sound intensity Whiteboard presentation Play

Sound intensity and distance Simulation Play

Sound intensity and distance Whiteboard exercise Play

Sound intensity and distance Student activity Play

Spectral analysis Student activity Play

Spectral analysis Whiteboard exercise Play

Spontaneous and stimulated emission Student activity Play

Stoichiometric coefficients and the relative volumes of gases Student activity Play

Stoichiometric coefficients and the relative volumes of gases Whiteboard exercise Play

Stoichiometric coefficients and the relative volumes of gases Whiteboard exercise Play

The efficiency of a loudspeaker Animation Play

The intensity of a beam of photons Animation Play

The intensity of a wave Class activity Play

The intensity of a wave Whiteboard presentation Play

The intensity of light Animation Play

The mechanism of hearing Student activity Play

The relative atomic mass Animation Play

The relative atomic mass and its units Whiteboard exercise Play

The relative atomic mass of a natural element Animation Play

The relative atomic mass of an element Whiteboard exercise Play

The relative mass of hydrogen molecule Whiteboard exercise Play

The relative molecular mass of phosphorus(III) oxide Whiteboard exercise Play