Podcast
Questions and Answers
What is the most common gas emitted during a volcanic eruption?
What is the most common gas emitted during a volcanic eruption?
- Carbon dioxide
- Water vapor (correct)
- Methane
- Sulfur dioxide
How can water vapor impact climate change during a volcanic eruption?
How can water vapor impact climate change during a volcanic eruption?
- Contribute to global warming (correct)
- Cool the surface of the earth
- Cause acid rain
- Increase oxygen levels in the atmosphere
What is the role of carbon dioxide, one of the volcanic gases, in the atmosphere?
What is the role of carbon dioxide, one of the volcanic gases, in the atmosphere?
- Contributing to global warming (correct)
- Increasing oxygen levels in the atmosphere
- Cooling the earth's surface
- Preventing acid rain
Why can carbon dioxide be fatal to humans during a volcanic eruption?
Why can carbon dioxide be fatal to humans during a volcanic eruption?
What negative environmental consequence does sulfur dioxide, in the form of aerosols, contribute to?
What negative environmental consequence does sulfur dioxide, in the form of aerosols, contribute to?
What happens to volcanic gases initially when they are dissolved in magma?
What happens to volcanic gases initially when they are dissolved in magma?
Why can water vapor benefit the planet despite its negative impacts?
Why can water vapor benefit the planet despite its negative impacts?
How do volcanic gases like carbon dioxide affect air quality?
How do volcanic gases like carbon dioxide affect air quality?
What type of stress creates a reverse fault?
What type of stress creates a reverse fault?
Which type of mountain is created at the boundary of two continental tectonic plates that collide?
Which type of mountain is created at the boundary of two continental tectonic plates that collide?
What is the block of rock that sits above the fault called?
What is the block of rock that sits above the fault called?
What is the primary factor used to identify folds?
What is the primary factor used to identify folds?
Which type of fault forms along divergent boundaries?
Which type of fault forms along divergent boundaries?
What type of plate boundary is associated with strike-slip faults?
What type of plate boundary is associated with strike-slip faults?
What causes dome mountains to form?
What causes dome mountains to form?
What is the gradual removal of sediments or pieces of rock from surface rock known as?
What is the gradual removal of sediments or pieces of rock from surface rock known as?
Which process can be physical or chemical and is caused by wind, water, and gravity?
Which process can be physical or chemical and is caused by wind, water, and gravity?
What is the main idea of geology that states the present is the key to the past?
What is the main idea of geology that states the present is the key to the past?
Which process involves the transportation of broken rock fragments from one place to another?
Which process involves the transportation of broken rock fragments from one place to another?
What occurs when acidic rainwater dissolves minerals in rock?
What occurs when acidic rainwater dissolves minerals in rock?
Which geological process can create landforms such as dunes, sandbanks, and islands?
Which geological process can create landforms such as dunes, sandbanks, and islands?
What is the process that converts larger rocks into smaller pieces due to wind, water, and glaciers?
What is the process that converts larger rocks into smaller pieces due to wind, water, and glaciers?
Which law helps geologists determine the order of events in a landform diagram by stating that layers of sediment are generally deposited in a horizontal position?
Which law helps geologists determine the order of events in a landform diagram by stating that layers of sediment are generally deposited in a horizontal position?
What makes pyroclastic flows very deadly?
What makes pyroclastic flows very deadly?
What is the main reason why tephra is considered extremely dangerous?
What is the main reason why tephra is considered extremely dangerous?
What is the primary cause of landslides near volcanic mountains?
What is the primary cause of landslides near volcanic mountains?
What is the main factor that determines how rocks react to stress?
What is the main factor that determines how rocks react to stress?
What type of stress causes rocks to be pushed together?
What type of stress causes rocks to be pushed together?
In what phase of deformation does rock break if the stress is too much?
In what phase of deformation does rock break if the stress is too much?
What type of material will flow in response to stress without breaking?
What type of material will flow in response to stress without breaking?
Which volcanic hazard is a flowing mass of volcanic debris and water?
Which volcanic hazard is a flowing mass of volcanic debris and water?
What is the main effect of sulfur dioxide aerosols mentioned in the text?
What is the main effect of sulfur dioxide aerosols mentioned in the text?
What are pyroclastic flows composed of?
What are pyroclastic flows composed of?
What are the two distinct layers found in pyroclastic flows?
What are the two distinct layers found in pyroclastic flows?
What are volcanic particles in a pyroclastic flow known as?
What are volcanic particles in a pyroclastic flow known as?
Which type of eruption results from a fissure, or crack, in the Earth's crust?
Which type of eruption results from a fissure, or crack, in the Earth's crust?
What is a depression, like a bowl, that forms on top of a volcano after an eruption?
What is a depression, like a bowl, that forms on top of a volcano after an eruption?
Where are about 75% of the world's volcanoes located?
Where are about 75% of the world's volcanoes located?
What do pumice flow deposits tend to be generated by?
What do pumice flow deposits tend to be generated by?
What is the most common gas emitted during a volcanic eruption?
What is the most common gas emitted during a volcanic eruption?
How does water vapor impact climate change?
How does water vapor impact climate change?
What is the main environmental consequence of sulfur dioxide aerosols?
What is the main environmental consequence of sulfur dioxide aerosols?
How does carbon dioxide affect air quality during a volcanic eruption?
How does carbon dioxide affect air quality during a volcanic eruption?
What happens to volcanic gases when magma is released onto the earth's surface?
What happens to volcanic gases when magma is released onto the earth's surface?
How does water vapor benefit the planet despite its negative impacts?
How does water vapor benefit the planet despite its negative impacts?
What is the primary impact of water vapor going into the stratosphere during a volcanic eruption?
What is the primary impact of water vapor going into the stratosphere during a volcanic eruption?
What is the main cause of pyroclastic flows?
What is the main cause of pyroclastic flows?
What is the distinguishing feature of a pumice flow deposit?
What is the distinguishing feature of a pumice flow deposit?
How do pyroclastic surges differ from pyroclastic flows?
How do pyroclastic surges differ from pyroclastic flows?
What is the end member of pyroclastic flows categorized by high density lava fragments and over head ash cloud?
What is the end member of pyroclastic flows categorized by high density lava fragments and over head ash cloud?
What type of eruption results from a fissure, or crack, in the Earth's crust?
What type of eruption results from a fissure, or crack, in the Earth's crust?
What is a characteristic feature of volcanic plateaus?
What is a characteristic feature of volcanic plateaus?
Where do about 75% of the world's volcanoes tend to be located?
Where do about 75% of the world's volcanoes tend to be located?
What can be formed at the edge of tectonic plates due to their movement and sliding?
What can be formed at the edge of tectonic plates due to their movement and sliding?
Why are pyroclastic flows more deadly than lava flows?
Why are pyroclastic flows more deadly than lava flows?
What makes pyroclastic surges different from pyroclastic flows?
What makes pyroclastic surges different from pyroclastic flows?
What distinguishes a lahar from a landslide?
What distinguishes a lahar from a landslide?
What is the main preventative measure recommended to mitigate the impact of lahars?
What is the main preventative measure recommended to mitigate the impact of lahars?
What geological process can trigger a tsunami near volcanic mountains?
What geological process can trigger a tsunami near volcanic mountains?
What type of stress causes rocks to be pushed together?
What type of stress causes rocks to be pushed together?
Which factor determines whether a rock will flow or break under stress?
Which factor determines whether a rock will flow or break under stress?
What phase of deformation occurs when rocks break under stress?
What phase of deformation occurs when rocks break under stress?
What type of stress causes rocks to be pushed together?
What type of stress causes rocks to be pushed together?
What is the block of rock that sits above a fault called?
What is the block of rock that sits above a fault called?
What type of fault forms along divergent boundaries?
What type of fault forms along divergent boundaries?
What causes fold mountains to form?
What causes fold mountains to form?
Which type of mountain is formed when magma pushes towards Earth's surface but cools prior to being extruded?
Which type of mountain is formed when magma pushes towards Earth's surface but cools prior to being extruded?
What is the primary factor used to identify folds?
What is the primary factor used to identify folds?
Where are dome mountains most likely to form?
Where are dome mountains most likely to form?
What is the name for the block of rock that lies below a fault?
What is the name for the block of rock that lies below a fault?
What is the process of the gradual removal of sediments or pieces of rock from surface rock called?
What is the process of the gradual removal of sediments or pieces of rock from surface rock called?
Which type of weathering occurs when water freezes, expands, and cracks rock?
Which type of weathering occurs when water freezes, expands, and cracks rock?
What is the main idea in geology that states the present is the key to the past?
What is the main idea in geology that states the present is the key to the past?
What is the transportation of broken rock fragments from one place to another known as?
What is the transportation of broken rock fragments from one place to another known as?
Which geological process involves the settling of sediment in areas of low elevation, usually in still bodies of water?
Which geological process involves the settling of sediment in areas of low elevation, usually in still bodies of water?
What can cause landslides or river floods that erode the surface of the Earth drastically?
What can cause landslides or river floods that erode the surface of the Earth drastically?
Which law helps geologists determine the order of events in a landform diagram by stating that layers of sediment are generally deposited in a horizontal position?
Which law helps geologists determine the order of events in a landform diagram by stating that layers of sediment are generally deposited in a horizontal position?
What causes rocks and soil to break apart due to weather, temperature, or animals?
What causes rocks and soil to break apart due to weather, temperature, or animals?
