Dice throw Simulation Play

Dichromate volcano Animation Play

Diffraction and interference Whiteboard presentation Play

Diffraction of electrons – the Davisson-Germer experiment Animation Play

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

Diffraction of electrons – the Davisson-Germer experiment Whiteboard exercise Play

Discovery of elementary particles Student activity Play

Dispersion forces (London forces) Student activity Play

Dropped pins Animation Play

Einstein's first postulate Whiteboard exercise Play

Einstein's postulates Student activity Play

Einstein's postulates Whiteboard exercise Play

Elementary analysis Animation Play

Elementary events Student activity Play

Engelmann's experiment Whiteboard exercise Play

Engelmann's experiment - light and photosyntheis Animation Play

Enthalpy changes Animation Play

Enthalpy of solution. Part 2 Student activity Play

Entropy Student activity Play

Enzymes in a test-tube Student activity Play

Equally likely elementary events Student activity Play

Equally likely events Slideshow Play

Equally likely events Animation Play

Equally likely events – a bag containing four cubes Whiteboard exercise Play

Equally likely outcomes Whiteboard exercise Play