Spectroscopy and electromagnetic radiation Student activity Play

Spectroscopy and quantisation of energy Animation Play

Splitting a number into a sum of smaller numbers Animation Play

Splitting a number into a sum of smaller numbers Whiteboard exercise Play

Spontaneous changes and probability Student activity Play

Spontaneous changes and probability Whiteboard exercise Play

Squares Whiteboard exercise Play

Squares and cubes Student activity Play

Squares and cubes Whiteboard exercise Play

Squares and cubes Whiteboard exercise Play

Squares of numbers Whiteboard exercise Play

Squaring a number Whiteboard exercise Play

Squaring a number Student activity Play

Squaring large numbers Animation Play

Stable and radioactive isotopes Student activity Play

Standard enthalpy change for hydrogenation of ethene Animation Play

Standard enthalpy of atomisation Student activity Play

Standard enthalpy of atomisation of non-metals Animation Play

Standard form Animation Play

Standard hydrogen half-cell Student activity Play

Standard index form Class activity Play

Standard index form Whiteboard presentation Play

Standard potential of the hydrogen electrode Animation Play

Starch molecule Animation Play

State in words Animation Play