Bubble Raft
Description: Small bubbles are made in bubble solution using an aquarium pump. As the bubbles move out over the raft, they form a hexagonal close pack arrangement
This demonstration is also available on JCE Solid State Resources CD-Rom.
Source: Ellis, A. et al. Teaching General Chemistry: A Material Science Companion
Year: 1993 Vol: N/A Page: 100
Keywords: Bubbles. Hexagonal arrangement, Close packing, Simulation
Ratings: 
Hazard: Low
- Electric shock hazard
Effectiveness: Average
- Good connection from demo to course material
- Results are observable with guidance
- Moderate failure rate
- Time to results is medium
- Mild effects are seen by audience
Difficulty: Medium
- Careful manipulations required
- Some intermediate steps to results
- Demonstrations in which display or projection is used
- Prior training recommended
Safety Precautions:
- Use of UL approved three-prong plug or outlet required
- Eye protection is required
Class: Solid State Chemistry
Division: General, Material Science Chemistry
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