Description

To d e m o n s t r a t e c o n d u c t i o n a n d insulation. Comprises of a cylinder 200mm(L) x 30 mm(D) one-half of which is wood, the other metal. If paper is wrapped tightly round the cylinder and the rod is held above the flame, the portion in contact with the wood will be quickly scorched since its an insulator while the metal portion will remain uncharred.