Production and loss of heat Slideshow Play

Propagation of mechanical waves Whiteboard exercise Play

Propagation of mechanical waves Student activity Play

Propagation of mechanical waves Simulation Play

Propagation of seismic waves Student activity Play

Propagation of seismic waves Animation Play

Propagation of seismic waves Whiteboard exercise Play

Propagation of sound Animation Play

Propagation of sound Whiteboard exercise Play

Propagation of sound Student activity Play

Radiation Student activity Play

Radio Animation Play

Radio telescopes Slideshow Play

Radio waves Animation Play

Radio waves Whiteboard exercise Play

Radio waves Student activity Play

Radio waves Student activity Play

Radio waves Chart Play

Radio waves Whiteboard exercise Play

Radio waves and microwaves Student activity Play

Radioactivity Student activity Play

Reflection and refraction of waves Class activity Play

Reflection and refraction of waves Whiteboard presentation Play

Reflection and refraction of waves Whiteboard presentation Play

Reflection and refraction of waves Class activity Play