Lesson plan
Vitrite
Vitrite is a very low fusing point black glass mainly used for the insulation base of electric lamps. It used to be made by the Vitrite Company. Vitrite can be called foam glass because the mineral from which it is obtained is a spongy mass varying in colour from white to black depending on impurities.
Article summary
Vitrite is a very low fusing point black glass mainly used for the insulation base of electric lamps. It used to be made by the Vitrite Company. Vitrite can be called foam glass because the mineral from which it is obtained is a spongy mass varying in colour from white to black depending on impurities.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.