Final answer:
The depth to which each cylinder sinks into the paraffin wax depends on the thermal conductivity and specific heat capacity of the materials. Lead sinks the deepest, followed by copper, aluminum, and iron.
Step-by-step explanation:
The depth to which each cylinder sinks into the paraffin wax depends on the thermal conductivity and specific heat capacity of the materials.
The thermal conductivity measures how easily heat can transfer through a material. Materials with higher thermal conductivity will transfer heat more quickly, causing them to sink deeper into the wax. Lead has the highest thermal conductivity, copper has the second highest, followed by aluminum, and then iron with the lowest thermal conductivity. Therefore, the cylinders will sink into the wax in the following order from deepest to shallowest: Lead, copper, aluminum, iron.