Not all reactions involve collisions Student activity Play

Positions of the double bond in alkenes Animation Play

Preparation of haloalkanes (2) Student activity Play

Proteins and nucleic acids Class activity Play

Proteins and nucleic acids Whiteboard presentation Play

Reduction of aldehydes and ketones (2) Student activity Play

Resonance energy for benzene Animation Play

Sexual reproduction in plants Class activity Play

Sexual reproduction in plants Whiteboard presentation Play

Structural isomerism in alkenes involving a positions of the double bond Student activity Play

Structural isomerism in alkenes involving a positions of the double bond Simulation Play

The double helix Student activity Play

The double helix Slideshow Play

The double helix of DNA Whiteboard exercise Play

The double helix of DNA Student activity Play