Volcano

What is the spread of lava as it pours out of a vent?

• magma chamber
• pipe
• lava flow
• crater

A dead volcano is called what?

• active
• dormant
• extinct

A sleeping volcano is called what?

• active
• dormant
• extinct

A low silica volcano makes what type of explosion

• quiet or effusive

• explosive eruption

A high silica volcano makes what type of an explosive?

• quiet or effusive eruption

• explosive eruption

Beneath a volcano, magma collects in a:

• magma chamber
• magma pocket
• vent
• hole

When a volcano erupts, the force of the expanding __________ pushes magma from the magma chamber through the pipe. 

• rock
• gases
• crater
• water

This volcano is most likely which type of volcano?

• Felsic
• Composite
• Shield
• Cinder cone

Once magma reaches the earth's surface it is called.....

• Silica
• Rock
• lava

In volcanic areas, groundwater heated by magma is a source of 

• lava flows
• silicia
• geothermal energy
• pyroclastic flows