Shapes of Soap Films and Bubbles
Description: The form of soap films on variously shaped wire forms is examined
Source: Shakahashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1989 Vol: 3 Page: 381
Keywords: Soap bubbles, Film shapes, Surface tension, Viscosity
Rating:
Hazard: Low
- No toxic reagents or mixtures in use
Effectiveness: Good
- Clear contrast between behavior of systems
- Low failure rate
- Clearly observable without guidance
- Time to results is low
- Some connection from demo to course material
Difficulty: Low
- Simple procedures
- Simple manipulations for most to perform
- Demos do not involve deep attention
Safety Precautions:
- Eye protection required
- Absorbent materials on hand
- Gloves recommended
Class: Properties and Solutions, Surface Tension, Thermodynamics
Division: General, Physical Chemistry
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