The process of dissolving Animation Play

The rate of heterogeneous reactions Animation Play

The strength of carbon–carbon bond Animation Play

The structure of the periodic table – groups Whiteboard exercise Play

The structure of the periodic table – groups (2) Student activity Play

Thermal conductivity Student activity Play

Transverse and longitudinal waves Student activity Play

Transverse and longitudinal waves Whiteboard exercise Play

Trends in some properties of elements in the periodic table Animation Play

Typical composition of cast iron Illustration Play

What is a displacement reaction? Student activity Play

What is the enthalpy of hydration? Animation Play

Why does dissolving electrolytes in water cause them to dissociate? Animation Play

Why is barium sulphate(VI) less soluble in water than magnesium sulphate(VI)? Animation Play