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Questions and Answers
What structure forms the 'parking lot' for molten lava, and what is its role in a volcano's lifecycle? Answer: The magma ______ is the storage space for molten rock, feeding volcanic eruptions.
chamber
What is the gritty substance that often covers the crater of an active volcano and what is it called? Answer: Ash, the fine particles of volcanic ______.
debris
What is the 'smoking gun' of a volcanic system, and what does it indicate about the volcano's activity? Answer: Fumaroles, steaming vents that release gases and water vapor, indicating the presence of underground heat and ______.
pressure
What is the 'roof' of a volcano, and how does it affect the shape and stability of the volcano? Answer: The caldera, a large, bowl-shaped depression that forms upon collapse of a magma chamber or the volcano's ______.
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What is the cone-shaped structure that often dominates the landscape of a volcano, and what is it called? Answer: The stratovolcano, a composite volcano formed by alternating layers of lava and fragments called ______.
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What is the term used to describe the flat-topped structure that can be found on some volcanoes? Answer:
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What is the term used to describe the lava that flows gently down volcano slopes? Answer:
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What is the term used to describe the jagged, rubbly lava that forms when the outside of the flow cools quickly? Answer:
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What is the term for the gases that escape from a volcano during eruptions? Answer:
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What is the importance of volcanic gases to climate and atmosphere? Answer:
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Study Notes
10 Fascinating Questions About Volcanoes and Their Components
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What structure forms the "parking lot" for molten lava, and what is its role in a volcano's lifecycle? Answer: The magma chamber is the storage space for molten rock, feeding volcanic eruptions.
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What is the gritty substance that often covers the crater of an active volcano and what is it called? Answer: Ash, the fine particles of volcanic debris.
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What is the "smoking gun" of a volcanic system, and what does it indicate about the volcano's activity? Answer: Fumaroles, steaming vents that release gases and water vapor, indicating the presence of underground heat and pressure.
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What is the "roof" of a volcano, and how does it affect the shape and stability of the volcano? Answer: The caldera, a large, bowl-shaped depression that forms upon collapse of a magma chamber or the volcano's summit.
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What is the cone-shaped structure that often dominates the landscape of a volcano, and what is it called? Answer: The stratovolcano, a composite volcano formed by alternating layers of lava and fragments called tephra.
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What is the "pit" at the base of some volcanoes, and how does it relate to the volcano's plumbing system? Answer: The vent, the conduit through which magma and gases emerge during eruptions.
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What is the flat-topped structure that can be found on some volcanoes, and what is it called? Answer: The shield volcano, a broad, low-profile volcano formed by repeated lava flows.
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What is the term used to describe the lava that flows gently down volcano slopes, and what is it called? Answer: Pahoehoe, the smooth, ropy lava that flows in channels.
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What is the term used to describe the jagged, rubbly lava that forms when the outside of the flow cools quickly? Answer: A'a, the rough, blocky lava that forms when the outer layer of the flow cools quickly.
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What is the term for the gases that escape from a volcano during eruptions, and what is their importance to climate and atmosphere? Answer: Volcanic gases, such as carbon dioxide, sulfur dioxide, and water vapor, which can affect climate and air quality.
These questions and answers provide a general understanding of the key components of volcanoes and their activity, setting the stage for further exploration and fascination in the realm of volcanology.
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Description
Test your knowledge about the key components of volcanoes and their activity with these 10 engaging questions and answers. Explore structures like magma chambers, calderas, fumaroles, and different types of lava flows.
