Lava
Molten rock beneath the surface of Earth.
What is magma?
A volcano created by slow eruption of basaltic lava.
What is a shield volcano?
The material that actually forms the volcanic mountain.
What is lava?
A scientist who studies volcanoes.
What is a volcanologist?
Hardened magma parallel to the rock layers.
What is a sill?
Thin and runny, low viscosity magma.
What is basaltic magma?
A volcano made from explosive tephra.
What is a cinder cone volcano?
Magma oozing out of cracks in Earth's surface.
What is a fissure eruption?
What is volcanic ash?
What is a dike?
Thick and sticky, high viscosity magma.
What is granitic magma?
What is a composite volcano?
The solid material that shoots into the air out of the volcano during an eruption.
What is tephra?
This physical property is responsible for magma rising.
What is density?
A large body of hardened magma.
What is a batholith?
Magma containing a high silica content.
What is granitic magma?
A volcano with generally rather gently sloping sides.
What is a shield volcano?
When dissolved in the magma, it causes the eruptions to be violent.
What are gases or water vapor?
Locations of volcanoes away from plate boundaries.
What are hot spots?
A depression formed when the top of the volcano collapse.
What is a caldera?
Magma containing a low silica content.
What is basaltic magma?
A volcano that has steep sides and typically erupts violently.
What is a cinder cone volcano?
A fast-moving body of hot gases and solids.
What is a pyroclastic flow?
The cavity below the volcano that is full of magma.
What is a magma chamber?
A mass of highly viscous lava slowly building at the vent.
What is a lava dome?