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5 Written questions

5 Matching questions

  1. describes a volcano that is no longer active and is unlikely to erupt again
  2. a hot, fast-moving type of lava that hardens to form smooth, ropelike coils
  3. a string of islands formed by the volcanoes along a deep-ocean trench
  4. the expulsion of ash, cinders, bombs, and gases during an explosive volcanic eruption
  5. a slab of volcanic rock formed when magma squeezes between layers of rock
  1. a island arc
  2. b pyroclastic flow
  3. c pahoehoe
  4. d sill
  5. e extinct

5 Multiple choice questions

  1. magma
  2. vent
  3. crater
  4. silica
  5. caldera

5 True/False questions

  1. a long tube through which magma moves from the magma chamber to Earth's surfacevolcano


  2. a deposit of hardened magma in a volcano's pipelava flow


  3. a slab of volcanic rock formed when magma forces itself across rock layersdike


  4. a major belt of volcanoes that rims the Pacific Oceanlava


  5. an area where magma from deep within the mantle melts through the crust above itvolcano