Comprehension Questions on Volcanoes

What is the primary fuel for the bottomless cauldrons mentioned in the video?

• Water
• Ancient rat
• Magma
• Gas

Where are most volcanoes located?

• In deserts
• At the center of continents
• Where tectonic plates meet
• In the Arctic

What percentage of the planet's volcanoes are found in the Ring of Fire?

• 50%
• 75%
• 90%
• 25%

Which type of volcano is described as having a tall, steep mountain shape?

• Shield volcano
• Stratovolcano
• Caldera
• Mid-ocean ridge

What is the term for molten rock that rises through the Earth’s mantle?

• Lava
• Magma
• Ash
• Gas

Which phenomenon can cause volcanic gas and ash to race down the volcano?

• Pyroclastic flow
• Earthquake
• Eruption cloud
• Tectonic shift

What does the Volcanic Explosivity Index (VEI) measure?

• The height of mountains
• The volume of lava and gas from a volcano
• The age of a volcano
• The color of lava

What VEI measurement was recorded for the eruption of Mount Tambora?

• 5
• 6
• 7
• 8

What destructive event did the eruption of Mount Tambora cause?

• Flooding
• Earthquakes
• Drought
• Tornadoes

How does volcanic ash benefit the surrounding land?

• It destroys crops
• It provides nutrients to the soil
• It creates mountains
• It increases temperature