Comparing the Specific Heat of Metals I
Comparing the Specific Heat of Metals II
Paramagnetism of Transition Metal Salts
Computer NaCl Crystal Cleavage
Octahedral, Hexagonal, and Tetrahedral Shapes
Thermoluminescent Sodium Chloride
Jars of Sand Representing Electron Flow in a Band
Temperature Dependence on Resistance
Thermal Conductivity of Metals
Glycerine Tube Representing Hole Energies
Counting Photons Using a Solar Cell
Effect of Pressure on the Melting Point of Ice
Fixed Ball and Stick Crystal Models
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: Solid State Chemistry