WorksheetsVolcano Practice Test
Total questions: 30
Worksheet time: 16mins
What kind of magma produces violent volcanic eruptions?
Magma low in viscosity
Magma that is fluid, and runny
Magma that is high in gas content
Magma is hotter than 1500 F
D is a
Conduit
magma chamber
fissure
parasitic dome
F is a
Parasitic Dome
Ash Plume
Magma Chamber
Crater
What does letter C represent?
Ash
Crater
Lava
Tephra
A term that describes a mixture of water and rock fragments that flows down the slopes of a volcano and typically enters a river valley.
lava
pyroclastic flow
volcanic bombs
lahar
Magma that bursts out of a volcano is called
lava
molten magma
steam
What two factors play a role in determining the characteristics of a volcano?
lava viscosity and gas level
elevation and slope
magma and lava
All of the following may create volcanoes, except
subduction
transform faults
hot spot
divergent plate boundaries
What type of volcano is this?
Fissure
Shield
Dome
Stratovolcano/ Composite
What type of volcano is this?
Fissure
Cinder Cone
Dome
Stratovolcano/ Composite
All of the following are hazards associated with a shield volcano, except
small bits of tephra, close to the vent
lava flows
poisonous gas
lahar
The type of volcano shown in letter A is
cindercone
lava
stratovolcano
dome
Which volcano shown is the most dangerous?
A
B
C
Volcanoes may form at letter C through the process of ____________.
subduction
sea-floor spreading
seismic activity
