Volcanos, part 1

Which structure is shown labeled with the letter A in the drawing?

• Magma chamber

• Crater

• Hot spot

• Main vent

Where are volcanos most likely to form?

• In the middle of continents

• Along plate boundaries

• In mountains

• Away from earthquakes

When a volcano is not currently active but able to become active in the future is called ___________________

• Extinct

• Fault

• Dormant

• Active

Name of the chain of volcanos around the edge of the Pacific plate.

• Circle of fire

• Ring of fire

• Ring of lava

• Pacific ring

Which volcano would have a gentle slope, quiet explosion, and thin magma?

• Composite volcano

• Cinder cone volcano

• Lava dome volcano

• Shield volcano

___________originate deep inside Earth, so they remain stationary while the plates above them move. That is how island chains like the Hawaiian Islands are formed.

• Hot spots

• Lava domes

• Divergent centers

• Subduction boundaries

__________________ are made from many layers (strata) of rock, ash, and hardened lava.

• Cinder cone volcanoes

• Lava dome volcanoes

• Composite volcanoes

• Shield volcanoes

TRUE or FALSE:

Volcanoes can erupt continuously or at irregular intervals.

• TRUE

• FALSE

Volcán Villarrica is considered a __________ volcano because is currently erupting or has erupted in recent history.

• Dormant

• Active

• Extinct

• Cinder

TRUE or FALSE:

There are three places where volcanism commonly occurs: hot spots, spreading centers, and subduction zones.

• TRUE

• FALSE