A block on a disc Whiteboard exercise Play

A cylinder Student activity Play

A cylinder Whiteboard exercise Play

A force gauge Simulation Play

A grey body Student activity Play

A mirror Animation Play

A stationary source and a mobile observer Student activity Play

A water wheel Student activity Play

Air drag Student activity Play

Air resistance Student activity Play

All electromagnetic waves transmit energy Whiteboard exercise Play

Amplitude of a spherical wave Student activity Play

Amplitude of a spherical wave Animation Play

Analysis of the propagation of seismic waves Slideshow Play

Application of seismic waves Animation Play

Application of waves for communication Class activity Play

Application of waves for communication Whiteboard presentation Play

Application of waves for communication Whiteboard presentation Play

Application of waves for communication Class activity Play

Applying the quadratic equation Whiteboard exercise Play

Assembling like terms Student activity Play

Asymmetry of the epithelial cell Slideshow Play

At the surface of water Animation Play

Atomic spectra of elements Whiteboard exercise Play

Atomic spectra of elements Student activity Play