CHAPTER 14 Test Yourself

• Question

  Shield volcanoes produce effusive eruptions.

  A.

  true

  B.

  false

• Question

  Lava viscosity is in large part the result of the silica content of the lava.

  A.

  true

  B.

  false

• Question 14.84

  Lava is one of the most deadly hazards of volcanoes.

  A.

  true

  B.

  false

• Question 14.85

  S waves travel fastest and are the first to arrive after an earthquake.

  A.

  true

  B.

  false

• Question 14.86

  Which of the following is not associated with explosive volcanic eruptions?

  A.

  Stratovolcano

  B.

  Felsic magma

  C.

  Caldera formation

  D.

  Large igneous province

• Question 14.87

  Which of the following types of seismic waves produces a rolling movement on the surface of Earth’s crust?

  A.

  P waves

  B.

  S wave

  C.

  L waves

  D.

  R waves

• Question 14.88

  About how much more ground shaking does a magnitude 8 earthquake create than a magnitude 5 earthquake?

  A.

  100 times more

  B.

  1,000 times more

  C.

  10,000 times more

  D.

  100,000 times more

• Question 14.89

  Which of the following is not a type of pyroclast?

  A.

  Bombs

  B.

  Ash

  C.

  Lapilli

  D.

  Lava flows

• Question 14.90

  Fill in the blank. A______is a slurry of mud created when a snow-capped volcano erupts.

• Question 14.91

  Fill in the blank. The ___________ is the point directly over an earthquake’s focus.