Resonance Class activity Play

Resonance energy for benzene Animation Play

Respiration Student activity Play

Respiration Class activity Play

Respiration and photosynthesis Student activity Play

Restricted rotation around the C=C bond Animation Play

Results of the burning of waste Whiteboard exercise Play

Roasting turkey Animation Play

Rutherford's model of the atom Animation Play

Saturated and unsaturated – what do they mean? Animation Play

Secondary structure of proteins Student activity Play

Secondary structure of proteins Whiteboard exercise Play

Semiconductor Animation Play

Sentences about energy transfer Whiteboard exercise Play

Shapes of organic molecules Student activity Play

Shooting with a catapult – activity Student activity Play

Shooting with a catapult – activity Whiteboard exercise Play

Sigma (σ) bond Student activity Play

Sigma (σ) bond Whiteboard exercise Play

Sigma bonds in fluorine molecule Animation Play

Sigma bonds in hydrogen fluoride molecule Animation Play

Significance of cell specialization Animation Play

Significance of cell specialization Student activity Play

Silicon and aluminium oxides Animation Play

Silicon, phosphorus and sulphur chlorides Animation Play