Isomerisation of cis-but-2-ene Animation Play

Life cycle of the pine Illustration Play

Life processes in plants Student activity 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

Molecules with three or four covalent bonds (2) Student activity Play

Net of a cone Animation Play

Neural pathways for vision Animation Play

Not all reactions involve collisions Student activity Play

Photoreceptors Student activity Play

Positions of the double bond in alkenes Animation Play

Preparation of haloalkanes (2) Student activity Play

Prisms Student activity Play

Proteins and nucleic acids Class activity Play

Proteins and nucleic acids Whiteboard presentation Play

Pythagorean theorem and trigonometry in 3-D Whiteboard presentation Play

Pythagorean theorem and trigonometry in 3-D Class activity Play

Reduction of aldehydes and ketones (2) Student activity Play

Regular polyhedron Animation Play

Relationship between volumes of similar solids Student activity Play

Relationship between volumes of similar solids Whiteboard exercise Play

Reproductive organs of gymnosperms Slideshow Play

Resonance energy for benzene Animation Play