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QR Challenge: Volcano Glossary Hunt

Question	Answer
Lava is liquid rock (magma) that flows out of a volcano. Fresh lava glows red hot to white hot as it flows.	lava
Magma is liquid rock inside a volcano.	Magma
Pumice is a light, porous volcanic rock that forms during explosive eruptions. It resembles a sponge because it consists of a network of gas bubbles frozen amidst fragile volcanic glass and minerals.	pumice
The mantle is the zone of the earth below the crust and above the core.	mantle
An extinct volcano is a volcano that is no longer active.	Extinct Volcano
An active volcano is one that erupts regularly.	Active Volcano
A dormant volcano is one that has not erupted for many years, although there is still some activity deep inside.	Dormant Volcano
Ash is fine particles of rock dust blown from an explosion vent.	ash
An Ashfall is volcanic ash that has fallen through the air from an eruption cloud.	ashfall
A vent is an opening at the Earth's surface of a volcanic conduit.	vent
A conduit is a passage (pipe) followed by magma in a volcano.	conduit
A crater is a steep-sided, usually circular depression formed by either explosion or collapse at a volcanic vent.	crater
An eruption is he process by which solid, liquid, and gaseous materials are ejected into the earth's atmosphere and onto the earth's surface by volcanic activity.	eruption
A fault is a crack or fracture in the earth's surface.	fault
Fissures are elongated fractures or cracks on the slopes of a volcano.	fissures
Geysyers are springs that throw boiling water high in the air. They are caused by volcanic heat warming trapped groundwater.	geysers
A debris flow (also called a mudflow or lahar) is a moving mixture of rock, water, and other debris.	debris flow
A magma chamber is an underground cavity filled with gas-rich magma (molten rock).	magma chamber