Different Types of Volcanoes
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Questions and Answers

What is the main characteristic of Shield volcanoes?

  • Low-explosivity and mostly lava flows (correct)
  • Reaching heights up to 2500 m
  • Rhyolite composition
  • High explosivity

What distinguishes Cinder Cone volcanoes from Composite Cone volcanoes?

  • They are formed of layers of ash, lava, and rock fragments
  • They are up to 2500 m in height
  • They have high silica content
  • They erupt multiple times (correct)

Which type of volcano is described as typically non-explosive?

  • Composite Cone Volcanoes
  • Shield Volcanoes
  • Cinder Cone Volcanoes
  • Lava Domes (correct)

Why are Composite cone volcanoes also called stratovolcanoes?

<p>For containing layers of ash, lava, and rock fragments (A)</p> Signup and view all the answers

What is the main characteristic that differentiates Composite cone volcanoes from Lava Domes?

<p>Formation by eruption of different materials on a slope (C)</p> Signup and view all the answers

What is the main reason why shield cone volcanoes have less explosive eruptions than composite volcanoes?

<p>They are made almost entirely of fluid lava flows (A)</p> Signup and view all the answers

Which type of lava is typically found in shield cone volcanoes due to its low viscosity and more fluid nature?

<p>Basalt (B)</p> Signup and view all the answers

What is a pyroclastic flow composed of in a composite cone volcano?

<p>Ash, rock fragments, and hot gases (C)</p> Signup and view all the answers

What geological feature is common to both Mount Saint Helens and Mount Vesuvius?

<p>Central crater (A)</p> Signup and view all the answers

What distinguishes a shield cone volcano from a composite cone volcano based on their physical appearance?

<p>Gentle slopes and wide base (C)</p> Signup and view all the answers

Which of the following statements about cinder cone volcanoes is true?

<p>Their eruptions are relatively weak and often last for several years. (A)</p> Signup and view all the answers

What is the primary process by which cinder cone volcanoes are formed?

<p>Explosive eruptions that launch lava into the air, which cools and falls back as cinders. (D)</p> Signup and view all the answers

Which of the following is true regarding the composition of lava in cinder cone volcanoes?

<p>They are typically composed of basalts or andesites. (D)</p> Signup and view all the answers

Which of the following is an example of a lava dome volcano?

<p>Lassen Peak (B)</p> Signup and view all the answers

What is a key characteristic of lava dome volcanoes?

<p>They are formed by viscous lavas that cannot flow far from the vent. (B)</p> Signup and view all the answers

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