Substances essential for the growth of plants Student activity Play

Substances in the placenta Whiteboard exercise Play

Substances that react with water Animation Play

Substitution reactions of alcohols Student activity Play

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

Sun Animation Play

Sunglasses with a polariser Animation Play

Supportive tissue Student activity Play

Supportive tissue – details Slideshow Play

Surface tension Student activity Play

Symbols and formulae in chemical reactions Animation Play

Synthesis of organic compounds in a simulated environment Slideshow Play

Synthesis of organic compounds in plants Slideshow Play

Synthesis of organic compounds in plants Student activity Play

Synthesis of sulphuric(VI) acid from sulphur dioxide Animation Play

Tank of water Student activity Play

Tank of water Whiteboard exercise Play

Temperature Student activity Play

Temperature Student activity Play

Temperature and solubility Student activity Play

Tetrachlorometalate ions Animation Play

The ability of liquids to change shape Slideshow Play

The ability of liquids to change shape is a useful property Student activity Play

The ability of substances to dissolve in water Slideshow Play

The action of wind and water Animation Play