Volcanoes and Volcanism Quiz

What makes Vulcan Point in the Philippines unique?

• It is the largest island in the world.

• It is an island within a lake on an island in a lake.

• It is the highest point in the Philippines.

• It is the smallest island in the Pacific Ocean.

What is the Pacific Ring of Fire known for?

• Being the largest oceanic ring

• Having the most diverse marine life

• Frequent earthquakes and volcanic eruptions

• Frequent hurricanes and storms

What is magma called once it erupts through the Earth's surface?

• Sediment

• Molten rock

• Lava

• Ash

How are underwater volcanoes formed?

• By the melting of glaciers

• By volcanic activity on land

• By magma rising from the sea floor as plates pull apart

• By the collision of two continental plates

Which type of volcano is known for its explosive eruptions and alternating layers of lava?

• Lava dome

• Shield

• Composite

• Cinder cone

What characterizes a shield volcano?

• Tall and narrow with alternating layers

• Small and circular with viscous lava

• Steep slopes and explosive eruptions

• Gently sloped and erupts basaltic lava

How does the Philippine Institute of Volcanology and Seismology classify volcanoes?

• By their height

• By their location

• By their activity status

• By their age

What is a dormant volcano?

• A volcano that has erupted in the last year

• A volcano that has never erupted

• A volcano that is currently erupting

• A volcano that is not erupting but may erupt again

What is one advantage of living near a volcano?

• Rich soil due to volcanic ash

• Constant threat of eruptions

• Frequent earthquakes

• High pollution levels

What will be discussed in the next video?

• Types of volcanoes

• Volcanic eruptions

• Formation of islands

• Earthquake safety