The Origin of the Word 'Volcano'
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Questions and Answers

What is the main focus of volcanism?

  • Creation of vent or opening in the Earth's crust
  • Expulsion of hot materials like lava (correct)
  • Formation of mountains and hills
  • Creating surface features

    • What is the outer core made of?

  • Solid, rocky substance
  • Molten iron and nickel (correct)
  • Molten rock or magma
  • Liquid metal creating the earth's magnetic field

    • Where does the word 'volcano' come from?

  • A volcanic eruption in ancient Rome
  • An island in Italy called Vulcano (correct)
  • A Latin word meaning 'fire mountain'
  • The Roman god of fire - Vulcan

    • What was the role of the Roman god Vulcan?

    <p>He was a skilled blacksmith</p> Signup and view all the answers

    What is the mantle made of?

    <p>Solid, rocky substance called molten rock or magma</p> Signup and view all the answers

    What did Romans believe would happen if Vulcan was made angry?

    <p>The volcano would erupt</p> Signup and view all the answers

    What is the main component of the Inner Core of the earth?

    <p>Iron and nickel</p> Signup and view all the answers

    How are volcanoes formed?

    <p>Through the leaking of magma from the mantle onto the earth's surface</p> Signup and view all the answers

    Where are most of the world's earthquakes and volcanoes located?

    <p>The Ring of Fire</p> Signup and view all the answers

    What is an active volcano?

    <p>One that has erupted recently and may erupt again</p> Signup and view all the answers

    What is a dormant volcano?

    <p>One that has not erupted for a long time and will probably never erupt again</p> Signup and view all the answers

    Why do earthquakes and volcanic eruptions occur near the edges of tectonic plates?

    <p>Because of the movement of tectonic plates and friction caused by their interaction</p> Signup and view all the answers

    What is an ash vent in relation to a volcano?

    <p>An opening in the surface of the Earth formed by volcanic explosions</p> Signup and view all the answers

    What is a cloud in relation to a volcano?

    <p>A cloud of ash surrounding a volcano's crater</p> Signup and view all the answers

    What is a crater in relation to a volcano?

    <p>An opening in the surface of the Earth formed by volcanic explosions</p> Signup and view all the answers

    What does 'extinct' refer to in terms of volcanoes?

    <p>A volcano which has erupted thousands of years ago but will probably never erupt again</p> Signup and view all the answers

    Which planet has the largest known volcano called Olympus Mons?

    <p>Mars</p> Signup and view all the answers

    Which moon of Jupiter has several active volcanoes?

    <p>Io</p> Signup and view all the answers

    What do the volcanoes on Triton, Neptune's largest moon, release?

    <p>Ice</p> Signup and view all the answers

    What is a characteristic of a volcanic eruption on Earth?

    <p>Effusions of molten basaltic lava from long parallel fissures</p> Signup and view all the answers

    Study Notes

    Volcanism

    • The main focus of volcanism is the study of volcanoes, their formation, and their eruptions.

    Earth's Structure

    • The outer core is made of liquid iron and nickel.
    • The mantle is made of hot, viscous rock.

    Etymology

    • The word 'volcano' comes from the Roman god Vulcan, who was the god of fire and volcanoes.

    Roman Mythology

    • Vulcan was the Roman god of fire and volcanoes, and was believed to live under Mount Etna.
    • Romans believed that if Vulcan was made angry, he would erupt with fire and earthquakes.

    Earth's Core

    • The main component of the Inner Core of the earth is solid iron and nickel.

    Volcano Formation

    • Volcanoes are formed when magma from the earth's interior rises to the surface, resulting in eruptions.

    Distribution of Earthquakes and Volcanoes

    • Most of the world's earthquakes and volcanoes are located near the edges of tectonic plates.

    Volcano Types

    • An active volcano is one that has erupted in recent history and is expected to erupt again.
    • A dormant volcano is one that has not erupted in recent history but is expected to erupt again in the future.

    Earthquakes and Volcanic Eruptions

    • Earthquakes and volcanic eruptions occur near the edges of tectonic plates due to the movement and interaction of the plates.

    Volcanic Features

    • An ash vent is a narrow opening in a volcano through which ash and gases are emitted.
    • A cloud in relation to a volcano refers to the cloud of ash and gas that forms above the volcano during an eruption.
    • A crater is a depression in the earth's surface formed by volcanic activity.

    Volcanic Status

    • 'Extinct' refers to a volcano that is no longer active and will not erupt again.

    Volcanoes in the Solar System

    • Olympus Mons on Mars is the largest known volcano in the solar system.
    • Io, a moon of Jupiter, has several active volcanoes.
    • Volcanoes on Triton, Neptune's largest moon, release geysers of ice and rock particles.
    • A characteristic of a volcanic eruption on Earth is the release of hot ash, gas, and rock into the atmosphere.

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    Description

    Explore the etymology of the word 'volcano' and its connection to the volcanic island of Vulcano in Italy. Learn about the historical origins of the term and its association with volcanic activities and phenomena.

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