Comparing Specific Heat of Metals I
Comparing 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 Solar Cell
Effect of Pressure on the Melting Point of Ice
Fixed Ball and Stick Crystal Models
Will Tissue Hold Water? Interfacial Tension
Photoluminescence of a Vinyl Sheet
Effect of Pressure on Melting Point of Ice
Description: Two weights connected by piano wire are hung on a bar of ice. The wires cuts through the bar of ice. The ice refreezes, remaining intact when the weights drop to the table top.
Source: UW Card Catalog
Year: N/A Vol: N/A Page: N/A
Keywords: Weights, Piano wire, Ice, Pressure, Melt, Refreeze
Rating:
Hazard: Low
- Injury hazard- Laceration
Effectiveness: Good
- Strong effects are seen by audience
- Demo has good connection to course material
- Clear contrast between behavior of systems
- Time to results is medium
- Moderate failure rate
Difficulty: Medium
- Careful placement is required
- Demos at nonstandard conditions
- Prior practice recommended
Safety Precautions:
- Practice is recommended
- Cryogenic gloves are required
- Eye protection is required
Class: Liquids and Solids, Solid State Chemistry, Intermolecular Forces, PV Diagram
Division: General, Solid State Chemistry, Physical Chemistry