Demonstrate the heat conductivity of metals. Metal strips - one each of: copper, brass, iron and aluminium; Fixed to a 13cm diameter wooden ring.
Depressions at the end of each strip to place wax piece; Compare the heat conductivity of each metal by observing the melting of each piece of wax

NOTE: Do not use on a Bunsen burner as it will damage the metal strips. Use an alcohol burner (Codes: LW1557-01) due to its lower heat level.