3-D shapes in architecture Slideshow Play

A crown of gold mixed with silver Animation Play

A laser Student activity Play

A lead cube Animation Play

A liquid exerts pressure in a different way from a solid Whiteboard exercise Play

A liquid exerts pressure in a different way from a solid Student activity Play

A metal ball Animation Play

A motionless solid Simulation Play

A motionless solid Student activity Play

A motionless solid Whiteboard exercise Play

A rigid solid and its motion Student activity Play

A rigid solid and its motion Whiteboard exercise Play

A space colony – factorisation makes calculations easier Student activity Play

A state of balance Animation Play

A typical heating curve for a pure substance Illustration Play

Absolute values of entropy Student activity Play

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

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

Addition of elements to alkenes Student activity Play

Addition of hydrogen – hydrogenation Animation Play

Addition of water to alkenes Student activity Play

Addition of water to alkenes Animation Play

Addition polymerisation Animation Play

Addition polymerisation Student activity Play

Addition reaction – hydrogenation Student activity Play