A student wants to compare the conduction of thermal energy through rods made of iron, copper, glass and aluminium. Each rod is coated with wax. Fig. 6.1 shows the equipment that the student uses.
Describe how the student can compare the conduction of thermal energy through the rods in Fig. 6.1.

Describe Say what happens, in order. Reasons are not required unless the question also asks why.
Your answer
Suggested time: 3 min