A crown of gold mixed with silver Animation Play

A family of transition metals Animation Play

A task for Archimedes Student activity Play

Acids and alkalis Class activity Play

Adding copper to the alloy Whiteboard exercise Play

Adding gold to the alloy Whiteboard exercise Play

Alloys of gold Animation Play

Alloys of precious metals Slideshow Play

Alloys of tin and precious metals Student activity Play

Aqua regia Animation Play

Archimedes and the crown Animation Play

Archimedes' Experiment Student activity Play

Archimedes' Experiment Whiteboard exercise Play

Arrangement of chemical elements in the periodic table Student activity Play

Atomic number and mass number Student activity Play

Atoms Student activity Play

Atoms Animation Play

Cell structure and electrode reactions Whiteboard exercise Play

Cell structure and electrode reactions Student activity Play

Classifying substances Student activity Play

Classifying substances Illustration Play

Colours and physical states of metals Slideshow Play

Comparison of metals with non-metals Whiteboard exercise Play

Compound measures – density Student activity Play

Conducting electricity Student activity Play