Degree measure Animation Play

Depth of the harbour entrance Whiteboard exercise Play

Depth of the harbour entrance Student activity Play

Derivation of the time dilation formula Glossary Play

Describing data – mean, median, mode Student activity Play

Description of motion in terms of vectors Class activity Play

Description of motion in terms of vectors Whiteboard presentation Play

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

Determination of reaction rates Student activity Play

Determination of reaction rates Whiteboard exercise Play

Determining angles Whiteboard exercise Play

Diffraction and interference Whiteboard presentation Play

Diffraction and interference Class activity Play

Diffraction and interference Class activity Play

Diffraction and interference Whiteboard presentation Play

Dinitrogen tetroxide – nitrogen dioxide chemical equilibrium Animation Play

Distance Animation Play

Distance Student activity Play

Distance Whiteboard exercise Play

Distance Student activity Play

Distance Whiteboard exercise Play

Distance Whiteboard exercise Play

Distance and the time necessary to cover it Student activity Play