Crystal lattice of sodium chloride Animation Play

Crystals Whiteboard exercise Play

Crystals Student activity Play

Crystals and amorphous materials Whiteboard exercise 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

Davisson-Germer experiment Simulation Play

Decimals Whiteboard presentation Play

Decimals Class activity Play

Demand for energy Slideshow Play

Deriving the expression for free energy change Animation 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

Determining standard enthalpies of reaction Whiteboard exercise Play

Determining the atomic radius Animation Play

Determining the mean bond enthalpy for polyatomic molecules Animation Play

Development - energy Slideshow Play

Development - waste Slideshow Play

Different forms of energy Simulation Play