2-D representations of 3-D objects on triangular dotty paper Student activity Play

A folded sheet of paper Animation Play

A hole in a piece of paper Animation Play

A symmetrical triangle on non-squared paper Student activity Play

A symmetrical triangle on squared paper Whiteboard exercise Play

A symmetrical triangle on squared paper Student activity Play

A thickness measuring device Animation Play

Acids (2) Whiteboard exercise Play

Acids (2) Student activity Play

Aluminium ores Student activity Play

Application of enzymes Slideshow Play

Application of radioactive isotopes Student activity Play

Areas of similar figures Student activity Play

Bauxite mining Slideshow Play

Calcium carbonate Slideshow Play

Cellulose Animation Play

Colours of universal indicator paper Whiteboard exercise Play

Conservation of natural resources Class activity Play

Conservation of natural resources Whiteboard presentation Play

Converging and diverging lenses Student activity Play

Crystallisation and chromatography Student activity Play

Dangers due to discharge sparks Student activity Play

Defectoscopy and the measurement of thickness Student activity Play

Economics of the extraction of metals Whiteboard exercise Play

Economics of the extraction of metals Student activity Play