Reactions between halogens and metals Student activity Play

Reactions between Period 3 elements and water Whiteboard exercise Play

Reactions between Period 3 elements and water (2) Student activity Play

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

Reactions of complex ions Student activity Play

Real gases Student activity Play

Reduction Slideshow Play

Representative values of chemical shifts Animation Play

Responses of the autonomic nervous system to the internal environment Student activity Play

Responses of the sundew to different stimuli Simulation Play

Reversible reactions and chemical equilibrium Whiteboard presentation Play

Reversible reactions and chemical equilibrium Class activity Play

Role of bacteria in digestion and in the production of vitamins Whiteboard exercise Play

Role of bacteria in digestion and in the production of vitamins Student activity Play

Role of bile in lipid digestion Animation Play

Role of bile in lipid digestion Whiteboard exercise Play

Role of bile in lipid digestion Student activity Play

Rusting Simulation Play

s-block elements Animation Play

Safety in the chemical laboratory Whiteboard presentation Play

Safety in the chemical laboratory Class activity Play

Saprotrophic organisms – fungi Student activity Play

Smelting lead Animation Play

Spontaneous chemical modifications of nitrogenous bases Slideshow Play

Standard entropy values Animation Play