The enzyme–substrate complex Animation Play

The formation of an image by a spherical mirror Student activity Play

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

The Golgi complex and lysosomes Student activity Play

The graph of a function with dense domain Student activity Play

The inner structure of the atom Student activity Play

The intersection of sets Student activity Play

The number of roots of a quadratic equation with parameter – example Animation Play

The number of roots of a quadratic equation – example Animation Play

The oxidation of sulphur(IV) oxide Animation Play

The oxidation states of copper Whiteboard exercise Play

The properties of stars Whiteboard exercise Play

The properties of stars Student activity Play

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

The silver complexes Whiteboard exercise Play

The solution of cobalt chloride and hydrochloric acid Animation Play

The square root Student activity Play

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

The union of sets Student activity Play

The withdrawal reflex – an example of an unconditioned reflex Animation Play

Titrimetric determination of reaction rate Student activity Play

Titrimetric study of the reaction of propanone with iodine Animation Play

Transition metal complexes Whiteboard presentation Play

Transition metal complexes Class activity Play

Transition metal complexes as catalysts Animation Play