Podcast
Questions and Answers
What distinguishes shield volcanoes from other types of volcanoes?
What distinguishes shield volcanoes from other types of volcanoes?
- Gently sloped profile (correct)
- High levels of dissolved gases
- Lava breaking through walls
- Cluster of vents
Which type of volcano is considered the most dangerous?
Which type of volcano is considered the most dangerous?
- Magma Volcano
- Shield Volcano
- Composite Volcano (correct)
- Caldera Complex
What is the main difference in magma composition between Magma Volcanoes and Shield Volcanoes?
What is the main difference in magma composition between Magma Volcanoes and Shield Volcanoes?
- Formation process
- Amount of silica (correct)
- Cluster of vents
- Eruption height
How are Shield Volcanoes primarily built up?
How are Shield Volcanoes primarily built up?
What is a common feature of calderas formed at the summit of shield volcanoes?
What is a common feature of calderas formed at the summit of shield volcanoes?
Which type of volcano is known for their huge, gently sloped profiles?
Which type of volcano is known for their huge, gently sloped profiles?
What is the term used to describe the property of a material's resistance to flow?
What is the term used to describe the property of a material's resistance to flow?
Which type of volcanic eruption is associated with explosive outbursts that generate pyroclastic flows?
Which type of volcanic eruption is associated with explosive outbursts that generate pyroclastic flows?
What type of volcanic eruption is characterized by effusions of molten basaltic lava that flow from long, parallel fissures?
What type of volcanic eruption is characterized by effusions of molten basaltic lava that flow from long, parallel fissures?
How does the viscosity of a liquid change with an increase in temperature?
How does the viscosity of a liquid change with an increase in temperature?
Which factor increases with an increase in silica content in magma?
Which factor increases with an increase in silica content in magma?
What factor affects the types of volcanic eruptions by influencing magma chemistry and content?
What factor affects the types of volcanic eruptions by influencing magma chemistry and content?
What is the term used once magma erupts through the Earth's surface?
What is the term used once magma erupts through the Earth's surface?
Which type of volcano is formed by fluid lava ejected due to high pressure in the magma chamber?
Which type of volcano is formed by fluid lava ejected due to high pressure in the magma chamber?
What is the combination of the Earth's crust and the uppermost part of the mantle called?
What is the combination of the Earth's crust and the uppermost part of the mantle called?
During which geological process does one tectonic plate move under another at convergent boundaries?
During which geological process does one tectonic plate move under another at convergent boundaries?
Which type of volcano is also known as a stratovolcano and is formed by highly viscous or thick, slow-moving magma?
Which type of volcano is also known as a stratovolcano and is formed by highly viscous or thick, slow-moving magma?
What is a mass of molten rock ejected during an eruption called?
What is a mass of molten rock ejected during an eruption called?
