VOLCANOES Flashcards

(37 cards)

1
Q

god of fire

A

VULCAN

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2
Q

greek god of volcanoes

A

HEPHAESTUS

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3
Q

when rocks become so hot, they can become a substance called

A

MAGMA

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4
Q

where magma rises

A

VENT

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5
Q

molten rock that oozes onto the earth’s surface

A

LAVA FLOW

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6
Q

molten rocks that are thrown out from a volcano

A

VOLCANIC BOMBS

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7
Q

circular mounds that are protrude from volcanoes

A

LAVA DOME

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8
Q

heated ash and tephra released from a vent during a volcanic eruption

A

ERUPTION COLUMN

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9
Q

ashes that fall back down like powdery snow. these suffocate plants and animals

A

ERUPTION CLOUD

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10
Q

when sulfur dioxide and nitrogen oxide reacts with water

A

ACID RAIN

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11
Q

eruption magma that blasts up into air and breaks apart into pieces

A

TEPHRA

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12
Q

emits steam and volcanic gases. creates pathways for rising heat, volcanic gas, and magma

A

FUMAROLES

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13
Q

openings stemming down into the pool of magma

A

CRACK

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14
Q

fast-moving volcanic matter and hot gas

A

PYROCLASTIC FLOW

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15
Q

when hot volcanic material mixes with water from streams or snow and ice.

A

LAHAR

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16
Q

Mt. ______ in 1980s buried the entire community

A

MT. ST. HELENS

17
Q

eruptions at these volcanoes are often explosive

18
Q

ash and lava solidify, one upon the other

19
Q

not steep and may be very large

20
Q

common at spreading centers or intraplate hotspots

21
Q

largest shield volcano

A

MAUNA LOA IN HAWAII

22
Q

most common type of volcano

23
Q

often found near larger volcanoes

24
Q

what volcano was witnessed by a Mexican farmer

25
extremely rare volcano in Earth history
SUPERVOLCANO
26
the largest supervolcano is beneath ___________ in Wyoming, North America
YELLOWSTONE NATIONAL PARK
27
underwater vents or fissures in the Earth's surface from which magma can erupt
SUBMARINE VOLCANO
28
volcanic form produced by subglacial eruptions
SUBGLACIAL VOLCANO
29
subglacial volcanoes are also known as
GLACIOVOLCANO
30
characterized by a dense cloud of ash-laden gas exploding from crater and rising high above the peak
VULCANIAN ERUPTION
31
non-explosive eruptions of gusher-like lava fountains that generate red-hot lava rivers of very fluid basaltic lavas
HAWAIIAN ERUPTION
32
have relatively mild blast. consists of ejection of incandescent cinders, lapilli, and lava bombs
STROMBOLIAN ERUPTION
33
extremely explosive eruptions
PLINIAN ERUPTION
34
associated with explosive outbursts that generate pyroclastic flows, dense mixtures of hot volcanic fragments, and gas
PELEAN
35
an explosive style of volcanic eruption that takes place in shallow seas of lakes when magma interacts with water
SURTSEYAN ERUPTION
36
interaction of magma with ice and snow, leading to melt water formation of lahar
SUBGLACIAL ERUPTION
37
steam-driven explosions. when water beneath the ground or on the surface is heated
PHREATIC ERUPTION