A chain of fission reactions Student activity Play

A chain of fission reactions Animation Play

A chain of fission reactions Whiteboard exercise Play

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

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

Adding natural numbers using the written method Student activity 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 Student activity Play

Addition polymerisation Animation Play

Addition reaction – hydrogenation Student activity Play

Addition reactions of unsaturated fats Slideshow Play

Adverse effects of natural substances in food Slideshow Play

Agricultural ecosystems and natural ecosystems Slideshow Play

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

Application of catalysts Slideshow Play

Approximating surds Student activity Play

Atomic bomb Student activity Play

Atomic bomb Animation Play

Autocatalysis Student activity Play

Autocatalysis Animation Play

Biochemical processes Slideshow Play

Calculating the square root of a number Whiteboard exercise Play