Volcano and Plate Tectonics
Made from tephra.
What is a cinder cone?
Volcanoes that have alternating lava flows and explosive eruptions of ash, cinders, and bombs.
What is composite volcanoes?
Before lava reaches the surface.
What is magma?
Name one of the two countries in the Atlantic Ocean where volcanoes rise out of the mid-ocean ridge above the ocean's surface.
What is Iceland or the Azores Island?
Volcano made from thin lava.
What is a shield volcano?
Magma the forces itself vertically across rock layers.
What is dike?
Thin, runny lava does not contain much of this.
What is silica?
A volcano that is erupting or may erupt in the near future.
What is an active volcano?
Possibly caused by radioactive elements.
What is hot spot?
The main factor that makes a difference between a quiet eruption and an explosive eruption.
What is silica content?
Landform that forms when rising magma, blocked by layers of rock, forcing rock to bend upward making a hill.
What is a laccolith?
A lake inside of a volcano.
What is a caldera?
Name three hazards volcanoes can cause.
What is set fires, bury towns, damage crops, clog car engines, roofs collapse, landslides, and avalanches?
The two plates that create island arcs.
What are two oceanic plates?
Occurs when an explosive eruption hurls out ash, cinders, and bombs.
What is a pyroclastic flow?
Large mass of rock formed when a large body of magma cools inside the crust.
What is batholith?
A major volcanic belt that circles the Pacific Ocean.
What is the Ring of Fire?
Volcanoes that occur at a mid-ocean ridge occur at this type of boundary.
What is a divergent boundary?
Mauna Kea
What is the largest volcano on Earth?
What kind of eruption is likely to occur in a volcano having magma high in silica?
What is an explosive eruption?
The hard interior part of an ancient volcano.
What is a volcanic neck?
Resistance to flow.
What is viscosity?
The volcano that buried Pompeii.
What is Mt. Vesuvius?