A constant source of voltage Student activity Play

Ability to react with metal salts Animation Play

Absorption of the products of carbohydrate digestion Animation Play

Absorption of the products of protein digestion Animation Play

Absorption of the products of protein; carbohydrate and lipid digestion Student activity Play

Abundance of the elements in the crust and in the whole Earth Animation Play

Acids and alkalis Whiteboard presentation Play

Acids and alkalis Class activity Play

Acid–base reactions in a non-aqueous medium Animation Play

Across the periodic table Student activity Play

Additional information contained in chemical equations Student activity Play

Alkali metals Student activity Play

Alloys Class activity Play

Alloys Whiteboard presentation Play

Aluminium Slideshow Play

Aluminium Class activity Play

Aluminium Whiteboard presentation Play

Aluminium alloys Simulation Play

Aluminium alloys Student activity Play

Aluminium chloride Animation Play

Aluminium ores Student activity Play

Aluminium ores Whiteboard exercise Play

Aluminium oxide has many faces Slideshow Play

Aluminium – lead – silver Whiteboard exercise Play

Aluminium(III) salt in acidic, neutral and alkaline medium Whiteboard exercise Play