Platforms
During a quiet eruption, a lava flow may set fire to and then bury everything in its path.
A dormant volcano is erupting or may erupt in the near future.
An extinct volcano is unlikely to erupt again.
A volcano that may erupt again at some time in the distant future isa.active.b.dormant.c.explosive.d.extinct.
A _____________ forms as a result of lava that has cooled at the top of a volcano.a.ventb.calderac.piped.chamber
The main hazard from a quiet volcanic eruption isa.volcanic gases.b.lava flows.c.geysers.d.pyroclastic flows.
Dissolved minerals trapped in magma under tremendous pressure provide the force for a volcanic eruption.
The crater is the bowl-shaped area around a volcano’s central vent.
What triggers the small earthquakes that occur around a volcano before an eruption?a.upward movement of magmab.pyroclastic flowc.cooling magma inside the crustd.plate movements
Which of the following volcano hazards is made up of rocky particles about the size of a grain of sand?a.volcanic bombsb.pahoehoec.volcanic cindersd.volcanic ash
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Earthquakes and Seismic Waves
Volcanoes and Plate Tectonics
Deforming the Earth's Crust