Empirical formula Student activity Play

Endoplasmic reticulum and ribosomes Student activity Play

Energy considerations Animation Play

Energy of dissolution reaction Glossary Play

Enthalpies of hydration for selected ions Whiteboard exercise Play

Enthalpy of hydration Student activity Play

Equations for the formation of salts Illustration Play

Erythrocytes – red discs Student activity Play

Essential elements Whiteboard exercise Play

Essential elements – macro-elements; trace elements and ultra-trace elements Student activity Play

Essential minerals Student activity Play

Establishing formulae of salts Animation Play

Examples of endothermic reactions Student activity Play

Examples of endothermic reactions Whiteboard exercise Play

Exchange mechanism in capillaries Animation Play

Excitability – a special feature of the neurone plasma membrane Student activity Play

Experiment with metals and acid Simulation Play

Extraction of metals Student activity Play

Extraction of metals and their reactivity Illustration Play

Factors that determine the properties of soil Slideshow Play

Features of the connective tissue Whiteboard exercise Play

Fertilisers Class activity Play

Fertilisers Whiteboard presentation Play

Fibre Student activity Play

Fibre; minerals and vitamins Student activity Play