Role of macro-elements absorbed as cations Student activity Play

Salts of s-block elements occurring in nature Slideshow Play

Seawater Slideshow Play

Shells Slideshow Play

Soil Student activity Play

Soil as a source of minerals Student activity Play

Solubility curve for calcium hydroxide Whiteboard exercise Play

Solution of calcium hydroxide Illustration Play

Sorting metals by their reactivity with oxygen Whiteboard exercise Play

Sources of calcium Slideshow Play

Sources of nutrients Student activity Play

Sources of nutrients Whiteboard exercise Play

Specific gravity Student activity Play

Statements about extraction of metals Whiteboard exercise Play

Strong and weak bases Student activity Play

Substances essential for the growth of plants Student activity Play

Testing for hydrogen Student activity 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