Volcanoes and Magma Quiz

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What is the name of the tube that connects the magma chamber to the vent?

Vent

Pipe (correct)

Crater

Magma Chamber

What is the term used for the underground reservoir of molten rock?

Crater

Vent

Pipe

Magma Chamber (correct)

Which of these is the opening where volcanic materials erupt?

Pipe

Crater

Vent (correct)

Magma Chamber

Which of these is a bowl-shaped depression at the top of a volcano?

Crater (D) Signup and view all the answers

Which of these is NOT a key component of a volcano?

Eruption (C) Signup and view all the answers

Which of the following is a large mass of intrusive igneous rock that forms deep in the Earth's crust?

Batholith (A) Signup and view all the answers

What is the defining characteristic of a dike?

Vertical intrusion through layers of rock (B) Signup and view all the answers

What is the main cause of volcanic activity in the Ring of Fire?

Convergent plate boundaries (C) Signup and view all the answers

Which of the listed terms describes the solidified magma in the pipe of a volcano?

Volcanic Neck (C) Signup and view all the answers

What is a sill?

A horizontal sheet of magma squeezing between layers of rock (B) Signup and view all the answers

Which of the following is NOT a type of plate boundary where volcanoes are commonly found?

Transform (B) Signup and view all the answers

What is an example of a well-known island arc?

Japan (B) Signup and view all the answers

Which of the following is an example of an intrusive igneous rock formation?

Batholith (D) Signup and view all the answers

Which of the following is a physical property of magma?

Its viscosity (resistance to flow) (D) Signup and view all the answers

What is a hotspot?

A place where magma rises from deep within the Earth (D) Signup and view all the answers

What is the relationship between silica content and magma viscosity?

Low silica results in low viscosity (D) Signup and view all the answers

Which rock is an example of a mafic rock?

Basalt (D) Signup and view all the answers

How does the temperature of magma affect its viscosity?

Viscosity decreases as temperature increases (D) Signup and view all the answers

What characterizes felsic rocks compared to mafic rocks?

Felsic rocks have high silica content (C) Signup and view all the answers

What effect does the viscosity of magma have on the color of the resulting rock?

Sticky magma results in light-colored rocks (C) Signup and view all the answers

What stage of volcanic activity describes a volcano that has not erupted again?

Extinct (A) Signup and view all the answers

Which hazard from volcanic eruptions can block sunlight and harm vegetation?

Ash clouds (C) Signup and view all the answers

Why is volcanic soil considered fertile?

It is rich in minerals. (B) Signup and view all the answers

What is one method scientists use to monitor volcanic activity?

Observing significant swelling (B) Signup and view all the answers

What is one of the uses of geothermal energy?

Heating homes (A) Signup and view all the answers

What is a caldera?

A large volcanic crater formed by a collapsed volcano (B) Signup and view all the answers

What distinguishes pahoehoe lava from aa lava?

Pahoehoe is more fluid and has a smooth texture, while aa is rough and blocky (B) Signup and view all the answers

Which volcanic feature is typically associated with explosive eruptions?

Cinder cone volcano (D) Signup and view all the answers

How are lava plateaus formed?

By multiple lava flows that accumulate over time (D) Signup and view all the answers

What is the primary characteristic of a shield volcano?

It is large and gently sloping, formed from fluid lava (B) Signup and view all the answers

Volcanoes and Magma Quiz

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Questions and Answers

What is the name of the tube that connects the magma chamber to the vent?

What is the term used for the underground reservoir of molten rock?

Which of these is the opening where volcanic materials erupt?

Which of these is a bowl-shaped depression at the top of a volcano?

Which of these is NOT a key component of a volcano?

Which of the following is a large mass of intrusive igneous rock that forms deep in the Earth's crust?

What is the defining characteristic of a dike?

What is the main cause of volcanic activity in the Ring of Fire?

Which of the listed terms describes the solidified magma in the pipe of a volcano?

What is a sill?

Which of the following is NOT a type of plate boundary where volcanoes are commonly found?

What is an example of a well-known island arc?

Which of the following is an example of an intrusive igneous rock formation?

Which of the following is a physical property of magma?

What is a hotspot?

What is the relationship between silica content and magma viscosity?

Which rock is an example of a mafic rock?

How does the temperature of magma affect its viscosity?

What characterizes felsic rocks compared to mafic rocks?

What effect does the viscosity of magma have on the color of the resulting rock?

What stage of volcanic activity describes a volcano that has not erupted again?

Which hazard from volcanic eruptions can block sunlight and harm vegetation?

Why is volcanic soil considered fertile?

What is one method scientists use to monitor volcanic activity?

What is one of the uses of geothermal energy?

What is a caldera?

What distinguishes pahoehoe lava from aa lava?

Which volcanic feature is typically associated with explosive eruptions?

How are lava plateaus formed?

What is the primary characteristic of a shield volcano?

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