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Big Idea: Gunpowder

Key Facts In This Video

  1. Saltpeter, sulfur and charcoal are the ingredients of gunpowder. 00:11

  2. Hear how a Tang Dynasty text from around 850 A.D. described the result of mixing gunpowder with fire: 00:25

  3. The explosiveness of gunpowder occurs when it is enclosed. 02:36