Africa – the cradle of humankind? Student activity Play

Colour addition Student activity Play

Colour addition on screens Animation Play

Colour order in a spectrum Whiteboard exercise Play

Colour subtraction Student activity Play

Coloured filters Simulation Play

Coloured filters Student activity Play

Detection of chloride, bromide and iodide anions Animation Play

Dispersion of light Student activity Play

Flags in coloured light Simulation Play

Homo sapiens Slideshow Play

How a prism forms a spectrum Animation Play

Mixing paints Student activity Play

Precipitation of silver halides Student activity Play

Statements about coloured filters Whiteboard exercise Play

The image of the yellow shape Whiteboard exercise Play

The yellow card with the number 11 Whiteboard exercise Play

The yellow region Whiteboard exercise Play

White light Student activity Play