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Gallium dissolves aluminum so aggressively that people are not allowed to transport it on airplanes. While some find the facts and properties of the metal useful, many enjoy seeing it act as a beating heart. The science behind this demonstration proves interesting to viewers.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Discuss the melting point of gallium and the observed method of turning it to a liquid
- List other uses for gallium, such as in LEDs
Classroom Considerations
- Assumes prior knowledge of the properties of metals
- This video is hosted on YouTube
Pros
- Offers subtitles in English for ease of note taking
- Shows a demonstration using materials not found in most science labs
Cons
- None