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Volcano Review
Volcano Review
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volcano review
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
The formation of the Hawaiian Islands is one example of what?
Volcanoes forming over a hot spot
The Ring of Fire
Continental Drift
Volcanoes forming along plate boundaries
2
The volcanoes along converging oceanic plate boundaries may form an/a what
A subducting plate
A part of the mid-ocean ridge
A hot spot
An island arc
3
What provides the force that causes magma to erupt to the surface?
Dissolved gases trapped in magma
the silica in the magma
the density of the magma
gravity in the lithosphere
4
Before lava reaches the surface, the molten material is called what?
Rock
Volcanic ash
Magma
Liquid fire
5
Volcanic belts form along what?
the boundaries of earths plates
North American mountain ranges
islands in the Pacific Ocean
the coast of Antarctica
6
Which volcano hazards is made up of rocky particles about the size of a grain of sand?
pahoehoe
volcanic bombs
volcanic ash
volcanic cinders
7
If a volcanoes magma is high silica, the volcano will probably?
produce dark-colored lava
erupt explosively
remain dormant
erupt quietly
8
The long tube in the ground that connects the magma chamber to Earth's surface is called the?
side vent
Pipe
vent
crater
9
The main hazard from the quiet volcanic eruption is?
pyroclastic flows
geysers
volcanic gases
lava flows
10
Which type of rock would you expect to form as a result of an explosive eruption?
granite
pumice
pohoehoe
aa
