The Law of Wave Refraction Student activity Play

The length of a vector on the plane Animation Play

The magnitude of a vector on the plane Student activity Play

The magnitude of a vector on the plane Whiteboard exercise Play

The nature of seismic waves Whiteboard exercise Play

The nature of seismic waves Student activity Play

The nature of seismic waves Chart Play

The notion of a half-plane Student activity Play

The notion of a half-plane Whiteboard exercise 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 paths of the plane Whiteboard exercise Play

The phenomenon of radiation Student activity Play

The properties of orbits Animation 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 ranges of radio waves Animation 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

The reflection of sound waves Whiteboard exercise Play

The relationship between drag and path of motion Student activity Play