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Magma Quiz (ES3B-6)

  1. If the magma's silica and water content are both high, the magma viscosity is
    a. medium c. fluid
    b. low d. high
  2. If magma viscosity is high, the eruptive violence will be
    a. high c. VEI 1
    b. moderate d. low
  3. If magma viscosity is high, the volcano ejects mostly
    a. ash, gas & cinders c. lava
    b. gabbro d. Strawberry Poptarts™
  4. If magma viscosity is high, the volcano type is most likely be a
    a. shield c. stratovolcano
    b. caldera d. VEI 1