Communication – bilateral exchange of information Student activity Play

Conversion of dinitrogen tetroxide to nitrogen dioxide Animation Play

Daltonism Slideshow Play

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

Digital encoding of images Slideshow Play

Digital encoding of images Whiteboard exercise Play

Digital encoding of images Student activity Play

Discontinuous variation Student activity Play

Discontinuous variation - activity Whiteboard exercise Play

Dispersion of light Student activity Play

Dispersion of light from a diffraction grating Animation Play

Dispersion of light from a diffraction grating Student activity Play

Dispersion of light from a diffraction grating Whiteboard exercise Play

Doppler effect for different waves Student activity Play

Dynamic state of chemical equilibrium Student activity Play

Flags in coloured light Simulation Play

Flame test Animation Play

Flame tests Student activity Play

Genotype and phenotype Student activity Play

Halogen vapour Whiteboard exercise Play

How a prism forms a spectrum Animation Play

How do indicators work? Student activity Play

How does light pass through a prism? Animation Play

How sound travels Student activity Play

How to measure the pH? Animation Play