The Earth's primitive atmosphere Whiteboard exercise Play

The effect of fertilisers on water basins or reservoirs Student activity Play

The elements of life Student activity Play

The formation of coal Slideshow Play

The groups of Archaea and their habitats Slideshow Play

The homologous series of alkanes Animation Play

The isomerism of alkanes Animation Play

The poison gas – carbon monoxide Student activity Play

The primitive atmosphere Slideshow Play

The reaction of alkanes with halogens Student activity Play

The reaction of alkanes with halogens Whiteboard exercise Play

The sources and properties of carbon soot Slideshow Play

The structure of alkanes Animation Play

The structure of alkanes (1) Student activity Play

The structure of alkanes (2) Student activity Play

The synthesis of organic compounds in an abiotic environment Student activity Play

Using Hess's law Student activity Play

Using mean bond enthalpies in calculations. Part 2 Student activity Play

Valence-shell electron-pair repulsion theory (VSEPR theory) Student activity Play

Volume changes in gas reactions (1) Student activity Play

Volume changes in gas reactions (1) Whiteboard exercise Play

What are carboxylic acids? Student activity Play

What is a volcano? Student activity Play

What is cracking? Whiteboard exercise Play

What is cracking? Student activity Play