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Volcanoes Flashcards | StudBud
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Volcanoes
Volcanoes
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Earth Science
Flashcards
15 cards
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Questions
15
Answers
1
Hot liquid material below the Earth's surface
magma
lava
aa lava
pahoehoe
2
Pebble like bits of magma that harden before they hit the ground.
volcanic bombs
lapilli
pyrochlastic flow
volcanic ash
3
What type of volcano is pictured?
crater
shield
cinder cone
composite
4
When a magma chamber empties and sinks a __________ is formed.
cinder cone
lava plateau
crater
caldera
5
When a volcano no longer erupts it is said to be...
dormant
active
a hot spot
a rift zone
6
Large blobs of magma that harden in the air.
volcanic blocks
lapilli
volcanic bombs
volcanic ash
7
Location around the Pacific Ocean where volcanoes are prevalent.
ring of fire
mid ocean ridge
tectonic circle
subduction zone
8
A lava plateau is a narrow flat land form that results from repeated nonexplosive eruptions.
True
False
9
An opening in the Earth's crust.
crater
vent
caldera
rift
10
Type of lava that forms under water.
pahoehoe lava
pillow lava
aa lava
blocky
11
Type of lava that flows slowly, like dripping wax
aa lava
pahoehoe lava
pillow lava
blocky lava
12
When magma is less dense than the surrounding rock it....
sinks deeper
rises to the surface
increases in density
13
What type of volcano is in this picture?
cinder cone
shield
explosive
composite
14
The most common type of volcanic eruption is...
Non-explosive
dormant
pyrochlastic
Explosive
15
A volcanically active area far from a tectonic plate boundary.
Hot Shot
Rift Spot
Hot Spot
Rift Zone
