Do alloys have different properties from pure metals? Simulation Play

Electromagnetic radiation – summary Student activity Play

Electromagnetic radiation – summary Whiteboard exercise Play

Electron configuration of transition metal ions Student activity Play

Electrophoresis – a basic technique in work with DNA Simulation Play

Electrophoresis – a basic technique in work with DNA Student activity 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

Environmental factors necessary for germination Student activity Play

Equations with  cos(ax) Student activity Play

Exceptional properties of some giant molecular solids Whiteboard exercise Play

Exceptional properties of some giant molecular solids Student activity Play

Exponential functions Class activity Play

Exponential functions Whiteboard presentation Play

Factors that determine the properties of soil Slideshow Play

Finding the concentration of a solution by titration Student activity Play

Finding the reciprocals of basic trigonometric ratios Whiteboard exercise Play

Functions – basic notions Class activity Play

Functions – basic notions Whiteboard presentation Play

Gamma radiation Animation Play

Gamma radiation Student activity Play

Geometry properties Student activity Play

Geometry properties Whiteboard exercise Play

Graphs and real-life situations Class activity Play