Volcanoes Questions: Trivia Quiz! Exam

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  • 1/10 Questions

    Which Volcano buried the ancient town of Pompeii in Italy?

    • Mount Pelee
    • Teide
    • Mount Vesuvius
    • Mount Etna
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About This Quiz

Volcanoes happen when magma rises to the earth's surface, which causes gas bubbles to appear in it and causes pressure to build up in the mountain, and it eventually explodes. This quiz will assess students' knowledge about volcanoes. Let's try it out. All the best!

Volcanoes Questions: Trivia Quiz! Exam - Quiz

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  • 2. 

    What is a Hotspot?

    • Areas where magma breaks through the earth's crust

    • Hot Lava

    • A vent in the ground from which hot gas and steam escape

    • A crater created by hot magma or lava mixing with water

    Correct Answer
    A. Areas where magma breaks through the earth's crust
    Explanation
    A hotspot refers to areas where magma breaks through the earth's crust. This phenomenon occurs when there is an upwelling of hot material from deep within the Earth's mantle, creating a localized region of volcanic activity. Hotspots are often associated with the formation of volcanic islands or volcanic fields on the Earth's surface. These areas are characterized by the eruption of lava and the release of gases, creating volcanic features such as cones, calderas, and lava flows. The presence of hotspots is evidence of the dynamic nature of the Earth's interior and the ongoing process of plate tectonics.

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  • 3. 

    Stratovolcanoes that make up the Cascade range have eruptions categorized by:

    • Pyroclastic flows of rock, ash and magma

    • Eruptions at 600-800 degrees Celsius

    • Massive and widespread damage

    • All of these

    Correct Answer
    A. All of these
    Explanation
    The correct answer is "All of these". Stratovolcanoes in the Cascade range have eruptions that involve pyroclastic flows of rock, ash, and magma, as well as eruptions at high temperatures ranging from 600-800 degrees Celsius. These eruptions can cause massive and widespread damage due to the explosive release of volcanic materials.

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  • 4. 

    What is a Dormant Volcano?

    • A Volcano that will never erupt again

    • A volcano that has erupted recently

    • A volcano that erupts occasionally

    • One that has not erupted in recorded history

    Correct Answer
    A. One that has not erupted in recorded history
    Explanation
    A dormant volcano refers to a volcano that has not erupted in recorded history. This means that there is no documented evidence of the volcano erupting in recent times. However, it does not imply that the volcano will never erupt again or that it has erupted recently. It simply suggests that there is no historical record of eruption, indicating a period of inactivity.

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  • 5. 

    The lava that flows from Hawaiian volcanoes is about:

    • 200 degrees Celsius

    • 600 degrees Celsius

    • 900 degrees Celsius

    • 1300 degrees Celsius

    Correct Answer
    A. 1300 degrees Celsius
    Explanation
    The lava that flows from Hawaiian volcanoes is extremely hot, reaching temperatures of around 1300 degrees Celsius. This high temperature is due to the composition of the lava, which is rich in basaltic minerals. The heat of the lava allows it to flow easily and cover large areas, creating new land as it cools and solidifies. The intense heat of the lava also poses a significant danger to people and structures in its path.

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  • 6. 

    Hawaiian lava cools to form:

    • granite

    • basalt

    • iron ore

    • magnetite

    Correct Answer
    A. basalt
    Explanation
    Hawaiian lava cools to form basalt. Basalt is a type of volcanic rock that is dark in color and has a fine-grained texture. It is formed when lava from a volcanic eruption cools quickly on the surface of the Earth. Basalt is commonly found in volcanic areas such as Hawaii, where there are active volcanoes. It is also a common rock type found in oceanic crust and is known for its durability and strength.

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  • 7. 

    Most shield volcanoes are:

    • in or near water

    • on land

    • in Greenland

    • In the Ring of Fire

    Correct Answer
    A. in or near water
    Explanation
    Shield volcanoes are typically found in or near water due to the specific type of volcanic activity they exhibit. These volcanoes have low viscosity lava that flows easily and covers a large area, creating a broad, gently sloping shield-like shape. The presence of water helps to facilitate the rapid cooling and solidification of the lava, allowing the shield volcano to grow and form. Additionally, the interaction between lava and water can lead to the formation of volcanic islands or underwater seamounts. Therefore, it is common to find shield volcanoes in or near water.

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  • 8. 

    Most of the world’s volcanoes are:

    • Strato

    • Shield

    • Layered

    • Supernovas

    Correct Answer
    A. Strato
    Explanation
    Most of the world's volcanoes are strato, also known as stratovolcanoes or composite volcanoes. These volcanoes are characterized by their steep slopes and symmetrical cone shape. They are built up by alternating layers of lava, ash, and other volcanic materials. Strato volcanoes are known for their explosive eruptions and can be found in areas where tectonic plates collide, such as the Pacific Ring of Fire. Shield volcanoes, on the other hand, have gentle slopes and are formed by the accumulation of fluid lava flows. Layered and supernovas are not applicable to the classification of volcanoes.

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  • 9. 

    The Cascade volcanoes in the Seattle-Portland area consist of how many volcanoes?

    • 3

    • 7

    • 9

    • 11

    Correct Answer
    A. 9
    Explanation
    The Cascade volcanoes in the Seattle-Portland area consist of 9 volcanoes. The Cascade Range is a major volcanic region that stretches from British Columbia to northern California. It is known for its numerous volcanic peaks, including famous ones like Mount Rainier, Mount St. Helens, and Mount Hood. These volcanoes are part of the larger Pacific Ring of Fire and have been active throughout history. The number 9 accurately represents the total number of volcanoes in the Cascade Range in the Seattle-Portland area.

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  • 10. 

    Which of this statement is true:

    • Volcanic rocks are rarely made of Silica.

    • Dacites are highly viscous and cause massive eruptions.

    • Dacite could be compared to a plate of peas.

    • The source of the magma does not affect the eruptive behavior.

    Correct Answer
    A. Dacites are highly viscous and cause massive eruptions.
    Explanation
    Dacites are highly viscous and cause massive eruptions. This statement is true because dacite is a type of volcanic rock that has a high silica content, which makes it highly viscous. The high viscosity of dacite magma prevents gases from escaping easily, leading to explosive eruptions when the pressure builds up. These eruptions can be very powerful and destructive, as the trapped gases are suddenly released with great force. Therefore, dacites are known for causing massive eruptions due to their high viscosity.

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  • Mar 22, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 11, 2007
    Quiz Created by
    Giftededu
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