Earth Science Week 7 Lesson 1: Volcanism and Endogenic Processes
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Questions and Answers

What are endogenic processes in earth science?

  • Geologic processes associated with heat energy originating in the interior of the solid earth (correct)
  • Processes associated with heat energy originating outside the solid earth
  • Processes associated with heat energy originating from the sun
  • Processes associated with heat energy originating in the atmosphere

What keeps the core of the Earth hot?

  • Gravitational pressure from other planets
  • Gravitational pressure from the Moon, Sun, and other planets (correct)
  • Gravitational pressure from the Sun
  • Gravitational pressure from the Moon

What is a volcano?

  • A mountain formed from snow accumulation
  • A mountain formed from the accumulation of lava and rock fragments emitted through a volcanic vent (correct)
  • A hill formed from water erosion
  • A hill formed from wind erosion

How is magma formed in the asthenosphere?

<p>Increasing temperature, decreasing pressure, and addition of water (A)</p> Signup and view all the answers

What is lava?

<p>Magma that flows into the Earth’s surface (C)</p> Signup and view all the answers

What is the primary cause of the formation of magma?

<p>Melting of rocks in the earth's lithosphere (D)</p> Signup and view all the answers

Which type of volcano is known for its explosive eruptions due to the viscosity of its lava?

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

What is the defining characteristic of shield volcanoes?

<p>Lack of explosive eruptions (D)</p> Signup and view all the answers

What is the most common type of volcano?

<p>Cinder cone (C)</p> Signup and view all the answers

What are the principal volcanic gases released during an eruption?

<p>Carbon dioxide, sulfur oxide, and water vapor (B)</p> Signup and view all the answers

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