Sound waves Student activity Play

Sources of plane waves Student activity Play

Spectral analysis Student activity Play

Spectroscopy and electromagnetic radiation Student activity Play

Spectrum of electromagnetic waves Student activity Play

Spherical waves Student activity Play

Stationary source of sound Animation Play

Stationary source of sound, mobile listener Student activity Play

Stationary source of sound, mobile listener Simulation Play

Stationary wave in a string Whiteboard exercise Play

Stationary wave in a string Simulation Play

Stationary wave in a string Student activity Play

Stationary wave source Animation Play

Stationary waves Student activity Play

Storm Animation Play

Stringed instruments Student activity Play

Stringed instruments Whiteboard exercise Play

Stringed instruments Whiteboard exercise Play

Stringed instruments Simulation Play

Stringed instruments Student activity Play

Structure and functions of the stomach Slideshow Play

Structure of Dendrocoelum lacteum Slideshow Play

Structure of the wall of the alimentary canal Whiteboard exercise Play

Supersonic flights Simulation Play

Supersonic flights Student activity Play