A double bond Animation Play

A double bond in ethene Animation Play

A prism Student activity Play

A prism Slideshow Play

A prism Whiteboard exercise Play

Alkenes Class activity Play

Alkenes Whiteboard presentation Play

Cis- and trans-isomers of compounds with a double carbon-carbon bond Animation Play

Conic sections Student activity Play

Double circulatory system in mammals Animation Play

Double cone and a plane Animation Play

Double fertilization Whiteboard exercise Play

Double helix Animation Play

'Double quadratic' equations Whiteboard exercise Play

'Double quadratic' equations Student activity Play

Double-angle formulas Class activity Play

Double-angle formulas Whiteboard presentation Play

Electrophilic addition of hydrogen halides to double bond Whiteboard exercise Play

Electrophilic addition of hydrogen halides to double bond Student activity Play

Heights of bass singers Whiteboard exercise Play

Isomerisation of cis-but-2-ene Animation Play

Lone electron pairs affect the shape of the molecule (1) Student activity Play

Markovnikov’s rule Animation Play

Mean bond enthalpies and interactions between bonds Student activity Play

Molecules with three or four covalent bonds Whiteboard exercise Play