Instructional Video

Sulfur Hexafluoride - Deep Voice Gas

Curated and Reviewed by Lesson Planet

In one of the more memorable Spangler episodes, Spangler has a large terrarium filled with sulfur-hexafluoride gas, which is six times heavier than the air we breathe! It has some amazing properties, one of which it doesn't allow electricity to be conducted through it. It also drastically changes the way a person's speaking voice sounds when breathed in. Very interesting and very funny!

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Classroom Considerations
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