The course of the reaction Animation Play

The enzyme-substrate complex Illustration Play

The enzyme–substrate complex Student activity Play

The enzyme–substrate complex Animation Play

The fence problem Student activity Play

The fence problem Whiteboard exercise Play

The formation of metal complexes as acid-base reactions Animation Play

The Golgi complex and lysosomes Student activity Play

The inner structure of the atom Student activity Play

The investment – a more difficult problem Student activity Play

The oxidation of sulphur(IV) oxide Animation Play

The oxidation states of copper Whiteboard exercise Play

The problem of de Méré Animation Play

The problem of drug addiction Student activity Play

The problem of drug addiction Whiteboard exercise Play

The reaction of sodium hydroxide solution with a solution of a zinc(II) salt Whiteboard exercise Play

The scatter plot for bird density Student activity Play

The silver complexes Whiteboard exercise Play

The solution of cobalt chloride and hydrochloric acid Animation Play

The structure and functions of proteins; carbohydrates and fats Slideshow Play

The tangent theorem – solving problems Whiteboard exercise Play

Time – a more difficult problem Whiteboard exercise Play

Time – a more difficult problem Student activity Play

Titrimetric determination of reaction rate Student activity Play

Titrimetric study of the reaction of propanone with iodine Animation Play