Reflecting of light Animation Play

Relative atomic mass Student activity Play

Selected alloys Whiteboard exercise Play

Silver and gold coins Whiteboard exercise Play

Silver halides in photography Student activity Play

Silver nitrate Slideshow Play

Sodium sulphide Animation Play

Solubility of salts Student activity Play

Solubility of silver halides Whiteboard exercise Play

Solubility of silver halides in aqueous ammonia solution Animation Play

Sorting metals by their reactivity with oxygen Whiteboard exercise Play

Sources of atmospheric sulphur dioxide Slideshow Play

Specific gravity Student activity Play

Statements about copper sulphide Whiteboard exercise Play

Statements about extraction of metals Whiteboard exercise Play

Sterilization and disinfection Whiteboard exercise Play

Sterilization and disinfection Student activity Play

Sulphur dioxide and acid rain Student activity Play

Testing for hydrogen Student activity Play

The alloy of gold and silver Animation Play

The arrangement of chemical elements in the periodic table Animation Play

The buoyant force and the density Simulation Play

The buoyant force and the density Student activity Play

The conventional notation for voltaic cells Student activity Play

The early theory of atoms by Democritus Animation Play