A square root Student activity Play

A tower Whiteboard exercise Play

A transistor as an amplifier of electrical signals Animation Play

Ability to colour litmus blue Animation Play

Accurately determining an unknown molarity of acid/base by titration Student activity Play

Accurately determining an unknown molarity of acid/base by titration Whiteboard exercise Play

Acetabularia sp. Slideshow Play

Acid-base reactions of metal ions Class activity Play

Acid-base reactions of metal ions Whiteboard presentation Play

Acid-base titration Class activity Play

Acid-base titration Class activity Play

Acid-base titration Whiteboard presentation Play

Acid-base titration Whiteboard presentation Play

Acidic properties Student activity Play

Acidic properties of ethanoic acid Animation Play

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

Adding carbonates to acids Animation Play

Adding metals to acids Animation Play

Addition and subtraction of square roots Whiteboard exercise Play

Addition of strong acid to an ammonium buffer Animation Play

Addition of strong base to an ammonium buffer Animation Play

Aerial Animation Play

Algebraic solution Animation Play

Algebraic transformations Animation Play

Aliphatic amines: properties as bases Whiteboard exercise Play