Potential Class activity Play

Potential energy near the surface of the Earth Animation Play

Preparation of alkanes Student activity Play

Preparation of ammonia from its constituent elements Student activity Play

Preparation of aromatic amines Student activity Play

Pressure affects reactions occurring in the gas phase Student activity Play

Prisms and right prisms Student activity Play

Product from reforming: aromatic hydrocarbons Animation Play

Product from reforming: branched hydrocarbons Animation Play

Prokaryotes – simple organisms without nuclei Student activity Play

Properties of esters (2) Student activity Play

Properties of esters (2) Whiteboard exercise Play

Properties of liquids Student activity Play

Protostar Animation Play

Pulsars Animation Play

Pulsars Student activity Play

Pythagorean theorem in 3-dimensional space Whiteboard exercise Play

Pythagorean theorem in 3-dimensional space Student activity Play

Radio waves Student activity Play

Reaction between zinc and dilute hydrochloric acid Animation Play

Reaction course under changing environmental conditions Animation Play

Reaction of hydrogen and oxygen in the gaseous phase Animation Play

Reaction rate Class activity Play

Reaction rate Whiteboard presentation Play

Reactions occurring on the surface of a solid catalyst Whiteboard exercise Play