Solving equations involving the cosine function Animation Play

Solving equations involving the tangent function Animation Play

Solving problems involving percentages Whiteboard presentation Play

Solving problems involving percentages Class activity Play

Solving quadratic inequalities – system of linear equations Animation Play

Solving quadratic inequalities – translation of a graph Animation Play

Solving the inequalities using the test-point method Student activity Play

Solving trigonometric equations involving the cosine function Whiteboard exercise Play

Solving trigonometric equations using the tangent function Whiteboard exercise Play

Something to eat and drink in the Internet Café Whiteboard exercise Play

Something to eat and drink in the Internet Café Student activity Play

Spontaneity of the process Whiteboard exercise Play

Spontaneous changes Animation Play

Spontaneous changes and probability Whiteboard exercise Play

Spontaneous changes and probability Student activity Play

Standard enthalpy change Student activity Play

Standard enthalpy change Animation Play

Standard enthalpy change Whiteboard exercise Play

Standard enthalpy change for hydrogenation of ethene Animation Play

Standard entropy change Student activity Play

Standard entropy change Chart Play

Standard free energy change for neutralisation reaction Animation Play

Stationary point in the quadratic function Whiteboard exercise Play

Steroid compounds – synthesis site and function Whiteboard exercise Play

Stimuli and receptors Whiteboard exercise Play