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Favorite Demonstration: Demonstrating Allotropic Modifications of Sulfur

Journal of College Science Teaching—December 2001/January 2002

This demonstration closely simulates Io’s surface and validates scientists’ conclusions about this satellite of Jupiter. It illustrates the importance of teaching descriptive chemistry and is suitable for a general science class as well as introductory chemistry, astronomy, or physics classes. Alternatively, it can be adapted as a discovery-based laboratory experiment for students in those classes.
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