Volcanoes and Earth's Surface Quiz

What is a volcano?

• A type of earthquake

• A large body of water

• A structure that forms when molten material reaches the surface

• A mountain made of ice

Where do most volcanoes occur on Earth?

• In the center of continents

• At plate boundaries

• In deserts

• In the Arctic

What is the difference between magma and lava?

• Magma is found in the ocean, lava is found on land

• Magma is solid, lava is liquid

• Magma is molten material inside Earth, lava is molten material on the surface

• Magma is a type of gas, lava is a type of rock

What happens at convergent boundaries?

• Plates collide and one dives into the mantle

• Plates remain stationary

• Plates move apart

• Plates slide past each other

What is a hot spot?

• An area where lava frequently erupts at the surface

• A place where plates collide

• A region with no volcanic activity

• A type of volcano

What type of volcano is formed from alternating layers of hard lava and ash?

• Cinder cone volcano

• Composite volcano

• Shield volcano

• Lava plateau

What is a dormant volcano?

• A volcano that is currently erupting

• A volcano that has erupted recently

• A volcano that poses little threat but could erupt again

• A volcano that is completely inactive

Which tool can predict volcanic hazards?

• Thermometer

• Tiltmeter

• Barometer

• Anemometer

What type of eruption occurs when lava is low in silica?

• Explosive eruption

• Volcanic island formation

• Lava plateau formation

• Quiet eruption

What is one way volcanologists can predict a volcano will erupt?

• By counting the number of earthquakes

• By checking the weather

• By observing swelling land above the magma chamber

• By measuring the temperature of the air