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

A

active

17
Q

active, but not erupting, might erupt

A

dormant

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

A

composite

22
Q

built from volcanic fragments called pyroclasts

A

cinder cone

23
Q

slightly dome shaped, less viscous basaltic lava

A

shield

24
Q

another name of cinder cone

A

scoria cones

25
Q

it is driven by steam, steam is produced, it releases, ashes, steam, and liquid

A

phreatic

26
Q

Interaction of water and magma

A

phreatomagmatic

27
Q

basaltic or adesitic, lava fountains, and outburst of molten lava

A

Strombolian

28
Q

steam, viscous lava , rapidly moves to the lower slopes and bases of the volcano

A

Pelean

29
Q

Tall eruption that reached up to 20 km high will buy a pyroclastic flow

A

Vulcanian

30
Q

most powerful type of eruption, destructive, winds carry this material and they fall back to our surface called ashfall

A

plinian

31
Q

meaning of phivolcs

A

philippine Institute of volcanology and seismology