Buffer range Student activity Play

Carbohydrates – the basic source of energy Whiteboard exercise Play

Carbohydrates – the basic source of energy Student activity Play

Chemical properties of oxides Student activity Play

Classification of amino acids Whiteboard exercise Play

Definition of basic trigonometric ratios Animation Play

Do alloys have different properties from pure metals? Student activity Play

Electric field Class activity Play

Electric field Whiteboard presentation Play

Electric field lines versus electric field strength Animation Play

Electric field strength Animation Play

Electric field strength Simulation Play

Electric field strength Whiteboard exercise Play

Electric field strength Student activity Play

Electrophoresis – a basic technique in work with DNA Student activity Play

Electrophoresis – a basic technique in work with DNA Simulation Play

Enlargement – the basic property Student activity Play

Enlarging the right-angled triangle – the basic property Simulation Play

Enlarging the square – the basic property Simulation Play

Equations with  cos(ax) Student activity Play

Factors affecting bond enthalpy Animation Play

Finding the concentration of a solution by titration Student activity Play

Finding the reciprocals of basic trigonometric ratios Whiteboard exercise Play

Force and extension. Strength Student activity Play

Force and extension. Strength Whiteboard exercise Play