Cubes Whiteboard exercise Play

Cubes Student activity Play

Cubic metres and litres Student activity Play

Decomposition of calcium carbonate Animation Play

Decorative motifs Slideshow Play

Density, compressibility, shape and volume Animation Play

Derivation of the formula Animation 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

Determination of reaction rate by mass, conductometric and colorimetric measurements Student activity Play

Different shapes of bacterial cells Slideshow Play

Diffraction Student activity Play

Diffraction Slideshow Play

Diffraction of waves and Huygens' principle Animation Play

Diffraction of waves and Huygens' Principle Student activity Play

Discontinuous variation Slideshow Play

Discontinuous variation Student activity Play

Distinguish between a physical and a chemical change Whiteboard exercise Play

Do liquids have a specific shape? Whiteboard exercise Play

Do liquids have a specific shape? Student activity Play

Doilies in the shape of polygons Whiteboard exercise Play

Drag force Whiteboard exercise Play

Dragsters Animation Play