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Volcanoes

Quiz by Joel Morgan

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14 questions
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  • Q1
    What is a volcano?
    A vent in the Earth's crust through which molten rock, gases, and ash erupt
    A type of mountain
    A large body of water
    A city in Italy
    30s
  • Q2
    What is the most common type of volcano?
    Cinder cone volcano
    Shield volcano
    Composite volcano
    Stratovolcano
    30s
  • Q3
    What is a pyroclastic flow?
    A type of volcano
    A volcanic crater
    A volcanic eruption that produces only lava
    A fast-moving current of hot gas, ash, and volcanic rocks
    30s
  • Q4
    What causes volcanic eruptions?
    Rainfall
    Earthquakes
    Strong winds
    Build-up of pressure from molten rock beneath the Earth's surface
    30s
  • Q5
    What is the Ring of Fire?
    A fictional location in a movie
    A major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur
    A ring-shaped island
    A type of volcanic rock
    30s
  • Q6
    What is a volcanic crater?
    An underground cavity filled with magma
    A bowl-shaped depression at the top of a volcano
    A type of volcanic rock
    An explosive volcanic eruption
    30s
  • Q7
    What is volcanic ash?
    A type of cloud formed by volcanic gases
    A type of soil found near volcanoes
    A type of volcanic rock
    Tiny rock particles and glass fragments ejected from a volcano during an eruption
    30s
  • Q8
    Which type of volcano is characterized by explosive eruptions and steep sides?
    Composite volcano
    Cinder cone
    Shield volcano
    Stratovolcano
    30s
  • Q9
    Which type of volcano has gentle slopes and is formed by layers of lava?
    Composite volcano
    Cinder cone
    Stratovolcano
    Shield volcano
    30s
  • Q10
    Which type of volcano is formed by a single explosive eruption that leaves a deep, bowl-shaped crater?
    Caldera
    Composite volcano
    Shield volcano
    Stratovolcano
    30s
  • Q11
    What are the main materials ejected during eruptions of composite volcanoes?
    Sulfur dioxide, carbon dioxide, and steam
    Lava, ash, and pyroclastic materials
    Water vapor, rocks, and ice
    Meteorites, dust, and smoke
    30s
  • Q12
    What is the main reason behind the explosive eruptions of composite volcanoes?
    Shallow depth of magma chamber
    High viscosity of magma
    Low viscosity of magma
    Absence of gas in magma
    30s
  • Q13
    What is a common location for composite volcanoes?
    Hotspots
    Mid-ocean ridges
    Transform boundaries
    Subduction zones
    30s
  • Q14
    Which of the following is a common hazard associated with composite volcanoes?
    Rainfall
    Pyroclastic flows
    Landslides
    Earthquakes
    30s

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