Irreversible reactions Slideshow Play

Light emitting diode – LED Student activity Play

Light emitting diode – LED Whiteboard exercise Play

Moving pictures Student activity Play

Occurrence pattern of earthquakes Animation Play

Potentials of a collector, an emitter and a base Whiteboard exercise Play

Potentials of a collector, an emitter and a base Student activity Play

Prismatic binoculars Animation Play

Process reverse of multiplying out brackets Animation Play

Reaction of ammonia with water Animation Play

Reaction of metal ions with alkalis Student activity Play

Reverse process of multiplying out brackets Whiteboard exercise Play

Reversible and irreversible reactions Student activity Play

Spontaneous changes and probability Student activity Play

The function of a diode Animation Play

The pins of an LED diode Animation Play

Total current Animation Play

Types of fault Student activity Play

Types of fault Whiteboard exercise Play

Voltage divider Whiteboard exercise Play

Voltage divider Student activity Play

What the value of Kc tells us about the reaction Student activity Play

Where do earthquakes occur? Illustration Play

Where do earthquakes occur? Student activity Play