Density Animation Play

Density of transition metals Illustration Play

Depth of the harbour entrance Student activity Play

Derivatives of exponential and logarithmic functions Whiteboard presentation Play

Derivatives of exponential and logarithmic functions Class activity Play

Derivatives of trigonometric functions Class activity Play

Derivatives of trigonometric functions Whiteboard presentation Play

Describing position Whiteboard exercise Play

Describing position Animation Play

Describing position in a plane Whiteboard exercise Play

Describing position on the city plan Whiteboard exercise Play

Describing position – part 1 Student activity Play

Describing position – part 2 Student activity Play

Describing the graph Whiteboard exercise Play

Description of motion in terms of vectors Class activity Play

Description of motion in terms of vectors Whiteboard presentation Play

Description of oscillations Whiteboard exercise Play

Description of oscillations Student activity Play

Description of the position of a locomotive Animation Play

Determination of rate equations Student activity Play

Determination of reaction rate by measuring the volume or pressure of the gas evolved Student activity Play

Determining the condition of a car battery Whiteboard exercise Play

Different frames of reference Animation Play

Diffraction of electrons – the Davisson-Germer experiment Student activity Play

Digital encoding of analogue signals Whiteboard exercise Play