Thermal Conductivity of Metals
Description: Beads are attached to a long rod with melted wax and allowed to solidify. The end of the rod is heated, and the beads drop off as the heat is conducted through the metal.
Source: Ellis, A. et al, Teaching General Chemistry: A Material Science Companion
Year: 1993 Vol: N/A expt. 7.6 Page: 201 – 203
Keywords: Heat, Thermal Conductivity, Beads, Metal Rods, Wax
Rating: 
Hazard: Some
- Electric shock hazard
- Scalding hazard
- Burn hazard
Effectiveness: Average
- Good connection from demo to course material
- Mild effects are seen by audience
- Results are observable with guidance
- Good reliability
- Time to results is high
Difficulty: Low
- Simple procedures
- Manipulations are simple for most to perform
Safety Precautions:
- Use of UL approved three-prong plug and outlet
- Eye protection required
- Gloves required
- Thermal gloves recommended
Class: Solid State Chemistry
Division: Material Science Chemistry
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