The nature of seismic waves Whiteboard exercise Play

The nature of seismic waves Chart 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 Student activity Play

The oscillations of a string Animation Play

The oscillations of a string Whiteboard exercise Play

The oscillations of a string Animation Play

The pairs of congruent figures Simulation 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

The ranges of electromagnetic waves Class activity Play

The ranges of electromagnetic waves Whiteboard presentation Play

The ranges of electromagnetic waves Animation Play

The reaction Whiteboard exercise Play

The reflection image Whiteboard exercise Play

The reflection of sound waves Animation Play

The reflection of sound waves Animation Play

The reflection of sound waves Student activity Play

The reflection of sound waves Animation Play