Energy in a food chain Student activity Play

Energy in a food chain Whiteboard exercise Play

Energy losses in a food chain Slideshow Play

Examples and uses of polymers Illustration Play

Examples of polymers Slideshow Play

Flow of energy through a food chain Slideshow Play

Food chain Student activity Play

Glass Slideshow Play

Heating the thermoplastic polymers Animation Play

Heating the thermosetting polymers Animation Play

Homolytic fission of the C–C bond Student activity Play

How a pyramid of numbers works Animation Play

How plastics change when heated Animation Play

How polymers are formed Animation Play

Importance of ethene and other alkenes Student activity Play

Industrial manufacture of ethene Animation Play

Isomerism Class activity Play

Isomerism Whiteboard presentation Play

Isomerism of alkanes Whiteboard presentation Play

Isomerism of alkanes Class activity Play

IUPAC names of branched alkyl groups Animation Play

IUPAC names of branched-chain alkanes Animation Play

IUPAC names of straight-chain alkanes Animation Play

Macromolecules are created by nature and by man Animation Play

Melting points of straight-chain alkanes Animation Play