Statements about changing the pH of acid soils Whiteboard exercise Play

Statements about extraction of metals Whiteboard exercise Play

Stings Slideshow Play

Strong and weak bases Student activity Play

Substances essential for the growth of plants Student activity Play

Sulphates(VI) of Group 1 and 2 metals Student activity Play

Sulphur dioxide and acid rain Student activity Play

Testing for hydrogen Student activity Play

Testing for ions Class activity Play

Testing for ions Whiteboard presentation Play

The beginnings of life Student activity Play

The behaviour of the alkaline earth metals in the presence of water Animation Play

The chemical composition of plants Whiteboard exercise Play

The chemical composition of plants Student activity Play

The density of alkaline earth metals Animation Play

The diverse abundance of the elements Student activity Play

The elements of life Student activity Play

The elements of life Whiteboard exercise Play

The functions of mineral ions in the organism Whiteboard exercise Play

The importance of mineral ions Student activity Play

The ionic character of s-block-metal compounds Student activity Play

The noble metals Whiteboard exercise Play

The noble metals Student activity Play

The origin of salt in the ocean and the salinity balance Student activity Play

The oxidation of iron(II) sulphate Animation Play