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5 Written questions

5 Matching questions

  1. a string of islands formed by the volcanoes along a deep-ocean trench
  2. the heating of underground water by magma
  3. liquid magma that reaches the surface
  4. a fountain of water and steam that builds up pressure underground and erupts at regular intervals
  5. a substance in which two or more elements are chemically joined
  1. a geyser
  2. b compound
  3. c geothermal activity
  4. d island arc
  5. e lava

5 Multiple choice questions

  1. magma chamber
  2. volcanic neck
  3. pipe
  4. shield volcano
  5. dike

5 True/False questions

  1. a hot, fast-moving type of lava that hardens to form smooth, ropelike coilsaa


  2. a bowl-shaped area that forms around a volcano's central openingcrater


  3. a slow-moving type of lava that hardens to form rough chunksaa


  4. the expulsion of ash, cinders, bombs, and gases during an explosive volcanic eruptionvolcanic neck


  5. the area covered by lava as it pours out of a volcano's ventlava flow