Speed Student activity Play

Speed – a more difficult problem Student activity Play

Speeds of a boat and a river Animation Play

Sridhara's method of finding the roots of a quadratic equation Student activity Play

Sridhara's method of finding the roots of a quadratic equation Whiteboard exercise Play

Standard conditions and STP Chart Play

Standard deviation Student activity Play

Standard deviation Whiteboard exercise Play

Standard electrochemical potential Whiteboard presentation Play

Standard electrochemical potential Class activity Play

Standard enthalpies of combustion for selected substances Chart Play

Standard enthalpies of formation for elements Chart Play

Standard enthalpy change Whiteboard exercise Play

Standard enthalpy change Student activity Play

Standard enthalpy change Animation 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 Whiteboard exercise Play

Standard enthalpy of atomisation of metals Animation Play

Standard enthalpy of atomisation of non-metals Animation Play

Standard enthalpy of combustion Student activity Play

Standard enthalpy of combustion Whiteboard exercise Play

Standard enthalpy of formation Whiteboard exercise Play