Cost of energy Whiteboard exercise Play

CPU timing Whiteboard exercise Play

Critical angle Student activity Play

Daily norms for energy requirements Slideshow Play

Daily nutritional requirements Slideshow Play

Damped oscillations Student activity Play

Damping Animation Play

Damping in harmonic motion Slideshow Play

Damping in harmonic motion Student activity Play

Damping in harmonic motion Animation Play

Dark-field light path Animation Play

Davisson-Germer experiment Simulation Play

Definition of the metre Animation Play

Deflection of a beam of light Animation Play

Demand for energy Slideshow Play

Density and the speed of light Animation Play

Density and the speed of light Student activity Play

Derivation of the formula Animation Play

Derivation of the formula Animation Play

Deriving the expression for free energy change Animation Play

Describing class intervals Student activity Play

Describing class intervals – speed of light Whiteboard exercise Play

Determination of enthalpy change in combustion reactions Whiteboard exercise Play

Determination of enthalpy change in combustion reactions (1) Student activity Play

Determination of enthalpy change in combustion reactions (2) Student activity Play