Chapter 10 Volcano

What is Magma when it reaches the surface of Earth?

• Lava
• Mafic Magma
• Felsic Magma
• None of these

A volcano that has gentle sloping sides and is formed from runny lava

• Shield volcano
• Cinder cone
• Composite
• None of these

When an explosive eruption  forms a mixture of hot rock, ash, and gas, this material is called a...?

• Land slide
• Lava
• Eruption trail
• Pyroclastic flow

This is the name for the chain of volcanos around the edge of the Pacific Plate.

• Circle of Fire
• Ring of Lava
• Ring of Fire
• Circle of Magma

A volcano that has steep sides and is formed from lava chunks is called

• a shield volcano

• a cinder cone volcano

• a composite volcano

A volcano that is made from layers of both runny lava and lava chunks is called 

• a shield volcano
• a cinder cone volcano
• a composite volcano

Dormant volcanoes might erupt in the future.

• True
• False

A low silica volcano makes what type of explosion

• quiet eruption
• explosive eruption

A high silica volcano makes what type of an explosive?

• quiet eruption
• explosive eruption

This volcano is most likely which type of volcano?

• Felsic

• Composite

• Shield

• Cinder cone