Cannonball bomb

  • Exhibition Text

    • When the bomb hits the ground and hurtles down the slope, making a whirring noise, its corners become sheared, and the hardened form appears as a smooth, rounded lump.

      Provided by Lava Beds National Monument and Jeff Dinnel, Tionesta, California

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  • For Educators

    • Topic: Earth Science

      Subtopic: Volcanoes

      Keywords: Volcanoes, Volcanic ash, tuff, etc., Magmas, Volcanism, Volcanic eruptions

      Audience: General