The length of a laser Illustration Play

The mass of particles Illustration Play

The measurement of wavelength Animation Play

The mechanism of hearing Animation Play

The mechanism of hearing Student activity Play

The mechanism of hearing Whiteboard exercise Play

The nature of seismic waves Chart Play

The nature of seismic waves Student activity Play

The nature of seismic waves Whiteboard exercise Play

The oesophagus – transport of food Student activity Play

The oesophagus – transport of food Whiteboard exercise Play

The oesophagus – transport of food to the stomach Slideshow Play

The origin and registration of seismic waves Student activity Play

The origin and registration of seismic waves Whiteboard exercise Play

The origins of seismic waves Slideshow Play

The oscillations of a string Whiteboard exercise Play

The oscillations of a string Animation Play

The oscillations of a string Student activity Play

The oscillations of a string Animation Play

The phenomenon of radiation Student activity Play

The properties of gamma radiation Whiteboard exercise Play

The properties of γ radiation Student activity Play

The quantities that characterise a wave Animation Play

The range of radiation Chart Play

The range of the visible light spectrum Whiteboard exercise Play