Elements of Period 3 of the periodic table Whiteboard exercise Play

Elements, mixtures and compounds Whiteboard exercise Play

Energy considerations Animation Play

Energy considerations Animation Play

Enzymes 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

Examples of chemical reactions Whiteboard exercise Play

Examples of covalent compounds with various internal structures Student activity Play

Examples of displacement reactions Student activity Play

Examples of refraction Student activity Play

Examples of transition metals Slideshow Play

Examples of transparent materials Slideshow Play

Expansion and change in density Student activity Play

Expansion and change in density Whiteboard exercise Play

Experiment with a gas Animation Play

Experiment with metals and acid Simulation Play

Extraction Student activity Play

Extraction of copper Student activity Play

Extraction of crude oil Student activity Play

Extraction of iron from ores in a blast furnace Animation Play

Extraction of metals Student activity Play