Volcanoes Quiz

What is the term for molten rock below the Earth's surface?

• Magma
• Lava
• Ash
• Gas

Which type of plate boundary is most likely to produce volcanic activity?

• Transform plate boundary
• Divergent plate boundary
• Convergent plate boundary
• Intraplate boundary

Which ocean is home to the Mid-Atlantic Ridge?

• Atlantic Ocean
• Pacific Ocean
• Indian Ocean
• Arctic Ocean

What type of volcano is Mount Nyiragongo?

• Stratovolcano
• Shield volcano
• Pyroclastic cone
• Lava dome

What type of eruption is characterized by steady lava fountains?

• Hawaiian eruption
• Strombolian eruption
• Vulcanian eruption
• Plinian eruption

Which volcanic hazard is caused by the interaction of magma or lava with water?

• Landslides
• Lahars
• Pyroclastic flows
• Volcanic ash

What is the name of the volcanic eruption that releases the largest amount of material?

• Hawaiian eruption
• Strombolian eruption
• Vulcanian eruption
• Plinian eruption

Which volcanic feature is created when a volcano's magma chamber collapses?

• Crater
• Caldera
• Lava dome
• Pyroclastic cone

What is the name of the volcanic hazard that can darken the sky and disrupt air traffic?

• Volcanic gas
• Landslides
• Lahars
• Volcanic ash

Which organization documents volcanic activity for all the volcanoes on Earth?

• Smithsonian Institution's Global Volcanism Program
• International Association of Volcanology and Chemistry of the Earth's Interior
• United Nations International Decade for Natural Disaster Reduction
• International Decade for Natural Disaster Reduction