Rotation of the polarisation plane Student activity Play

Rotation of the polarisation plane Whiteboard exercise Play

Rounding decimals Whiteboard exercise Play

Rounding decimals to 0.1 or to 0.01 Animation Play

Rounding decimals to 10–1 or to 10–2 Student activity Play

Rounding large numbers Whiteboard exercise Play

Separation of amino acids Animation Play

Silver halides in photography Student activity Play

Simplified formula for Pearson's coefficient Student activity Play

Simplified rules of electrode reactions Animation Play

Skewness Whiteboard exercise Play

Smoke detector Student activity Play

Solubility Animation Play

Spontaneous and stimulated emission Student activity Play

Squares and cubes Whiteboard exercise Play

Squares and cubes Student activity Play

Squares of numbers Whiteboard exercise Play

Standard entropy change Student activity Play

Standard hydrogen half-cell Whiteboard exercise Play

Standard hydrogen half-cell Animation Play

Standard hydrogen half-cell Student activity Play

Standard potential of the hydrogen electrode Animation Play

Standard reduction potentials Student activity Play

Standard reduction potentials Student activity Play

Structure and operation of a light-dependent resistor Animation Play