5 Written Questions

1. build up of lava and debris surrounding a vent to form a volcano
2. areas of volcanism not at plate boundaries
3. carbon dioxide, water vapor, sulfur dioxide
4. low viscosity, low gases, largest big base, fluid from all directions, hotspots, Hawaii Galapagos Iceland
5. opening in the Earth's crust where magma and volcanic gases escape

5 Multiple Choice Questions

1. Hawaii, Yellowstone
   1. ash
   2. hotspot
   3. us hotspots
   4. viscosity
2. the ability of a material to resist flow
   1. volcano
   2. viscosity
   3. vent
   4. hotspot
3. consists of rock , mineral, and volcanic glass fragments, size of pinhead
   1. vent
   2. gas
   3. lava
   4. ash
4. high viscosity, high explosive eruptions, medium, lava and pyroclastic flows, subduction zone, Mt. Fuji Mt. St. Helens Krakatoa
   1. stratovolcano/composite
   2. volcano
   3. pyroclastic flow
   4. volcano dome
5. high viscosity, high gas straight up, smaller w/ narrow piles of pyroclastic particles, vertical eruption, on sides of other volcanoes, Paricutin Wizard Iland
   1. volcano
   2. volcano dome
   3. cinder cone
   4. vent

5 True/False Questions

1. volcano → opening in the earth's crust that allows magma, pyroclasts, and gases to escape

   True        False

2. lava → molten rock, ability to flow depends on silica and moisture content, made up of crystals, volcanic glass, and bubbles

   True        False

3. lahar → rapidly flowing mixture of rock debris and water, muddy rock (indonesian)

   True        False

4. pyroclastic flow → opening in the earth's crust that allows magma, pyroclasts, and gases to escape

   True        False

5. tephra → term for fragments of volcanic rock and lava that are blasted into the air (bomb, block, lapilli, ash, cinder)

   True        False