science quiz Flashcards

1
Q

a rupture vent ot fissure on the earths surface

A

volcano

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2
Q

highest point ; apex

A

summit

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3
Q

opening in earths surface, volcanic materials eacape

A

vent

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4
Q

mouth of a volcano

A

crater

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5
Q

side of a volcano

A

flank

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6
Q

entrance of a volcano

A

throat

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7
Q

fragments of lava or rock

A

ash

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8
Q

cloud of ash by volcanic explosion

A

ash cloud

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9
Q

italian word of lava

A

to slide

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10
Q

molten rock beneath earths surface

A

magma

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11
Q

underground passage wherr magma passes through

A

conduit

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12
Q

Flat piece of rock formed when magma hardens

A

sill

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13
Q

bodies of magma that cut through & across

A

dike

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14
Q

small cones shaped volcanoes formed by volcanic debris

A

parasitic cone

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15
Q

classification time of eruption

A

active, dormant, inactive / extinct

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16
Q

erupt always, recent volcanic activity

17
Q

active, but not erupting, might erupt

18
Q

never erupt no vomcanic activities

A

inactive/extinct

19
Q

classification according to shape

A

composite, cinder cone, shield

20
Q

another name for composite

A

STratovolcanoes

21
Q

symmetrical cone

22
Q

built from volcanic fragments called pyroclasts

A

cinder cone

23
Q

slightly dome shaped, less viscous basaltic lava

24
Q

another name of cinder cone

A

scoria cones

25
it is driven by steam, steam is produced, it releases, ashes, steam, and liquid
phreatic
26
Interaction of water and magma
phreatomagmatic
27
basaltic or adesitic, lava fountains, and outburst of molten lava
Strombolian
28
steam, viscous lava , rapidly moves to the lower slopes and bases of the volcano
Pelean
29
Tall eruption that reached up to 20 km high will buy a pyroclastic flow
Vulcanian
30
most powerful type of eruption, destructive, winds carry this material and they fall back to our surface called ashfall
plinian
31
meaning of phivolcs
philippine Institute of volcanology and seismology