Volcanoes Quiz

What is a stratocone volcano?

• A volcano that erupts underwater

• A volcano with steep sides

• A volcano that is always active

• A volcano with gentle slopes

What causes magma to rise to the surface?

• It is less dense than surrounding rock

• It cools down quickly

• It is heavier than surrounding rock

• It is pushed by wind

Where do we commonly see volcanoes?

• In the middle of oceans

• Along plate edges

• In deserts

• On mountain tops

What type of lava forms a shield volcano?

• Lava that cools quickly

• Lava with a lot of gas

• Thin and runny lava

• Thick and viscous lava

What is a hot mantle plume?

• A type of volcano

• A volcanic eruption

• A hot spot in the Earth's mantle

• A type of lava

What is a pyroclastic flow?

• A type of volcano

• A type of lava

• A rapidly moving cloud of dust and ash

• A volcanic gas

Which volcano is known for the eruption that buried Pompeii?

• Mount St. Helens

• Mount Vesuvius

• Mount Pinatubo

• Krakatoa

What happens when two tectonic plates collide?

• They create mountains

• One plate can be pushed beneath another

• They form new islands

• They cause earthquakes

What is the shape of a shield volcano?

• Triangular

• Irregular

• Flat and broad

• Steep and pointed

What is the main reason for the formation of volcanoes?

• Movement of tectonic plates

• Human activities

• Erosion of rocks

• Weather changes