Radiation of heat Student activity Play

Radiation of heat Whiteboard exercise Play

Reaction conditions and enthalpy change Slideshow Play

Reaction in the gas phase Slideshow Play

Reaction of ammonia with hydrogen chloride Animation Play

Reaction of hydrogen and oxygen in the gaseous phase Animation Play

Reaction rate Student activity Play

Reactions in the gas phase Animation Play

Reactions in the gaseous phase Whiteboard exercise Play

Reactions in the gaseous phase Student activity Play

Reactions in the gaseous phase Whiteboard exercise Play

Reactions involving phase changes Animation Play

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

Reactions occurring on the surface of a solid catalyst Student activity Play

Reactivity of halogens Student activity Play

Refraction of light Student activity Play

Reproduction by cell division Student activity Play

Resistance Slideshow Play

Resistance of liquids to expansion and compression Student activity Play

Resistance of liquids to expansion and compression Whiteboard exercise Play

Rotation of the polarisation plane Whiteboard exercise Play

Rotation of the polarisation plane Student activity Play

Safe liquid handling Student activity Play

Safe liquid handling Whiteboard exercise Play

Selected physical properties of oxides Chart Play