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

Acylation of benzene by the Friedel–Crafts method Whiteboard exercise Play

Acylation of benzene by the Friedel–Crafts method Student activity Play

Addition of elements to alkenes Student activity Play

Addition of hydrogen – hydrogenation Animation Play

Addition of water to alkenes Animation Play

Addition of water to alkenes Student activity Play

Addition polymerisation Student activity Play

Addition polymerisation Animation Play

Addition reaction – hydrogenation Student activity Play

Addition reactions of unsaturated fats Slideshow Play

Air drag Student activity Play

Air resistance Student activity Play

Alkylation of benzene by the Friedel–Crafts method Student activity Play

Amplitude of a spherical wave Student activity Play

Amplitude of a spherical wave Animation Play

Application of catalysts Slideshow Play

Applying the quadratic equation Whiteboard exercise Play