The proportion by mass of atoms Whiteboard exercise Play

The reaction between acids and carbonates or hydrogencarbonates Student activity Play

The reaction between calcium carbonate and hydrochloric acid Animation Play

The reaction between carbon dioxide and sodium hydroxide Animation Play

The reaction between ethanoic acid and carbonates Animation Play

The reaction between sulphur dioxide and chlorine in an aqueous Animation Play

The relative atomic mass Animation Play

The respiratory system Student activity Play

The role of haemoglobin in carbon dioxide transport Student activity Play

The role of haemoglobin in the transport of respiratory gases Animation Play

The role of limestone Animation Play

The role of the lungs Student activity Play

The role of yeast in bread- and cake-making Student activity Play

The role of yeast in bread- and cake-making Whiteboard exercise Play

The significance of photosynthesis in nature Slideshow Play

The simplified diagram of the carbon cycle Whiteboard exercise Play

The sources and properties of carbon soot Slideshow Play

The sources of carbon dioxide Slideshow Play

The stability of alkaline-earth-metal carbonates Student activity Play

The stages of aerobic respiration Student activity Play

The stages of global warming Whiteboard exercise Play

The strength of carbon–carbon bond Animation Play

The structure and function of lipids Slideshow Play

The structure of a leaf Student activity Play

The structure of a leaf Whiteboard exercise Play