Reaction course under changing environmental conditions Animation Play

Reactions between Group 1 and 2 metals and water Student activity Play

Reactions of enantiomers Student activity Play

Reactions of enantiomers with non-chiral and chiral reactants Animation Play

Relationship between the atomic structure and the position of elements in periods Animation Play

Relative molecular mass Student activity Play

Resonance energy for benzene Animation Play

Resonance structures for benzene Animation Play

Resonance structures of benzene Student activity Play

Responses of the sundew to different stimuli Simulation Play

Restriction enzymes Animation Play

Restriction enzymes – accurate cuts Student activity Play

Restriction enzymes – accurate cuts Whiteboard exercise Play

Retina structure Animation Play

Ribosomes – structure and function Slideshow Play

Rockets Whiteboard exercise Play

Rockets Student activity Play

Role of cations in plant cells Slideshow Play

Role of enzymes Slideshow Play

Role of macro-elements absorbed as cations Student activity Play

Ruminant stomach – structure and function Animation Play

Saturated and unsaturated hydrocarbons Illustration Play

Scintillation counter Student activity Play

Scintillation counter Whiteboard exercise Play

Secondary structure of proteins Whiteboard exercise Play