The atomic spectrum of an element Animation Play

The colour of the laser beam Whiteboard exercise Play

The de Broglie hypothesis Whiteboard exercise Play

The de Broglie hypothesis Student activity Play

The de Broglie hypothesis Animation Play

The discovery of X-rays Student activity Play

The division of electromagnetic waves Whiteboard exercise Play

The division of electromagnetic waves Student activity Play

The division of electromagnetic waves Chart Play

The emission and absorption of photons Student activity Play

The emission and absorption of photons Simulation Play

The emission and absorption of photons Simulation Play

The emission of light Animation Play

The energy levels of hydrogen atom Student activity Play

The energy of waves Animation Play

The heating of a body Simulation Play

The heating of a body Whiteboard exercise Play

The heating of a body Student activity Play

The nature of seismic waves Chart Play

The nature of seismic waves Whiteboard exercise Play

The nature of seismic waves Student activity Play

The origin and registration of seismic waves Whiteboard exercise Play

The origin and registration of seismic waves Student activity Play

The origins of seismic waves Slideshow Play

The phenomenon of radiation Student activity Play