Year 7 Geography Volcanoes Quiz

What is the primary source of heat for volcanic eruptions?

• Magma

• Lava

• Tectonic plates

• Sun

Which type of volcano often appears as tall steep mountains?

• Shield volcanoes

• Calderas

• Stratovolcanoes

• Mid-ocean ridges

Where are most volcanoes located in the world?

• Rainforests

• Deserts

• Mountains

• Tectonic plate boundaries

What is the temperature of lava when it reaches above ground?

• 2500 degrees Fahrenheit

• 2000 degrees Fahrenheit

• 1500 degrees Fahrenheit

• 1000 degrees Fahrenheit

What is the phenomenon called when searing hot gas and ash race down the sides of a volcano?

• Pyroclastic flow

• Tsunami

• Earthquake

• Landslide

What is the purpose of the volcanic explosivity index (VEI)?

• To classify the type of lava

• To calculate the age of the volcano

• To measure the height of the volcano

• To measure and classify eruptions

What is the highest category on the volcanic explosivity index (VEI)?

• VEI 9

• VEI 6

• VEI 7

• VEI 8

When did the most destructive volcanic eruption ever witnessed occur?

• 1700s

• 1800s

• 1900s

• 2000s

Which country experienced the most destructive volcanic eruption in 1815?

• Japan

• Indonesia

• Philippines

• Italy

What does volcanic ash provide to nearby soil?

• Air

• Water

• Nutrients

• Sunlight