Different equations Student activity Play

Different types of energy Animation Play

Differential equation with separable variables Student activity Play

Dioxins Student activity Play

Direction of spontaneous reaction Animation Play

Discriminant of the equation ax 2 + bx + c = 0 Student activity Play

Discriminant of the quadratic equation Whiteboard exercise Play

Displacement in harmonic motion Animation Play

Dissociation constants of conjugate acids and bases Whiteboard exercise Play

Dissociation constants of conjugate acids and bases Student activity Play

Dissociation constants of ethanoic acid and the ethanoate ion Animation Play

Dissociation of weak bases Animation Play

Does a compound have a constant composition? Student activity Play

'Double quadratic' equations Student activity Play

'Double quadratic' equations Whiteboard exercise Play

Drag and drag coefficient Student activity Play

Drag and drag coefficient Animation Play

Drawing dots Whiteboard exercise Play

Drawing dots Student activity Play

Drawing graphs Simulation Play

Drawing graphs Student activity Play

Drawing the circle of the given equation Whiteboard exercise Play

Dried plums Whiteboard exercise Play

Effect of concentration on the reaction rate. Graphical methods Whiteboard presentation Play

Effect of concentration on the reaction rate. Graphical methods Class activity Play