Conductivity Bars Set, Thermal Demo, Copper/Alum/Brass/Steel 200x50x6mm

Copper, Brass, Aluminium, Steel bars set in holder.

Use with Beaker, do not expose directly to flame.

Effective display of conductivity of different metals.

Instructions:

Fill beaker with hot water *60 deg and over. Dip the exposed end of the apparatus into the water and watch the colour change on each metal. Note: Each 1cm 'blackish' square should become more transparent/brighter depending on the conductivity of the metal.