Reaction of potassium manganate(VII) with hydrogen peroxide Animation Play

Reaction rate Class activity Play

Reaction rate Whiteboard presentation Play

Reaction yields Whiteboard exercise Play

Reaction yields Student activity Play

Reactions in the gas phase Animation Play

Reactions in the gaseous phase Student activity Play

Reactions in the gaseous phase Whiteboard exercise Play

Reactivity of halogens Student activity Play

Reading from graphs Student activity Play

Real gases Student activity Play

Real gases Animation Play

Rectangular right prism Animation Play

Refraction of light Student activity Play

Regulation of blood volume during haemorrhage Illustration Play

Regulation of volume of extracellular fluid Slideshow Play

Relationship between gas volume and pressure Animation Play

Relationship between Kp and Kc Student activity Play

Relationship between volumes of similar solids Whiteboard exercise Play

Relationship between volumes of similar solids Student activity Play

Renal filtration Simulation Play

Resistance Slideshow Play

Resistance of liquids to expansion and compression Whiteboard exercise Play

Resistance of liquids to expansion and compression Student activity Play

Rotation of the polarisation plane Whiteboard exercise Play