sci Flashcards

die

1
Q

how many types of eruptiona re there

A

6 typez

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2
Q

what are the 5 types of eruption of volcanoes

A
  • phreatic
  • phreatomagmatic
  • strombolian
  • vulcanian
  • pelean
  • plinian
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3
Q

Driven by steam and releases other rock fragments

A

Phreatic

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4
Q

Steam and viscous lava

A

Pelean

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5
Q

water + magma = ??

A

Phreatomagmatic

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6
Q

20 km high ung eruption

A

Vulcanian

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7
Q

mabilis magmove pababa ng volcanoe

A

Pelean

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8
Q

Andesitic/ Basaltic lava

A

Strombolian

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9
Q

Most powerful type of eruption

A

Plinian

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10
Q

Eruption with pyroclastic flow and tephra

A

Vulcanian

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11
Q

OUTBURSTS of molten laba

A

Strombolian

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12
Q

What is a vent hill or mountain that realeses moleten rock

A

Volcano

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13
Q

Winds carry theses materials and they fall back to earths surface

A

Plinian

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14
Q

what is an alternative for energy

A

Geothermal Energy

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15
Q

True or False

our country is situated near two tectonic plates kaya madalas magerupt young volcanoes

A

True

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16
Q

Storage of magma

A

Magma chamber

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17
Q

The ph is situatated far from the pacific ring of fire

A

False

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18
Q

Italian word : “ To slide”

A

Lava

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19
Q

Mouth of volcano

A

Crater

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20
Q

Side of a volcano

A

Flank

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21
Q

Surrounds a volcanic vent

A

Crater

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22
Q

The highest point of a volcano

A

Summit

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23
Q

The ash cloud is the highest point of a volcano

A

Flase

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24
Q

Fragments of ash that are less than 2mm in size

A

Ash

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25
Q

Lava is the molten rock beneath the earths surfave

A

Mali

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26
Q

Molten rock beneath earths serface

A

Magma

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27
Q

A cloud of ash

A

Ash cloud malamang

28
Q

Flat piece of rock formed when magma hardens

A

Sill

29
Q

Bodies of magma that cut through and across the layering of adjacent rocks

A

Dike

30
Q

Underground passageway

A

Conduit

31
Q

Opening in the earths surface

A

Vent

32
Q

Erupted during historical times

A

Active volcanoes

33
Q

True or false : Active volcanoes eruped atleast 10000 years

A

True

34
Q

how many acctive volcanoes are there in the philipienms

A

24

35
Q

there are 400 inactive volcanoes

A

false only 344

36
Q

3 types of volcanoes according to shape

A

Shield Cindercone Composite

37
Q

Cindercone is also cold Scoria cone

A

True

38
Q

Composite volcanoes are also called as

A

Stratovolcanoes

39
Q

less than 300 meters height

A

Cindercone

40
Q

Simplest typ eof volcano

A

Cindercone

41
Q

very wide base shape

A

Shield Volcanoes

42
Q

Formed by less viscous basaltic lava

A

Shield Volcano

43
Q

Cone is symmetrical

A

Composite

44
Q
A
44
Q

Who monitors the volcano eruptions

A

PHIVOLCS

44
Q

The heat contained in fluids and rocks thousand of feet below the earths surface

A

Geothermal energy

45
Q

What does PHIVOLCS MEAN

A

Philippines Institute of Volcanology and Seismology

46
Q

Maybe derived from steam or hot liquid water

A

Geothermal energy

47
Q

Geothermal energy can be obtained by?

A

Drilling wells

48
Q

Philippines ranked ? in the most geothermal powerplants

A

3rd

49
Q

water - steam
Turns steam turbines which generate electricity

A

Geothermal power plants

50
Q

removes the heat from the fluid and concentrates it

A

Geothermal Heat Pumps

51
Q

geothermal means?

A

geo - earth
thermal - heat

52
Q

Pacific ring of fire is also called as the?

A

Circum pacific belt

53
Q

Steam from natural resources such as geysers are used to drive turbines

A

Conventional geothermal enegry

54
Q

uses heat from supercritical water

A

Volcanic Geothermal energy

55
Q

Is believed to have more energy than conventional steam

A

Supercritical water

56
Q

Produced when molten rock and water interact with each other

A

Supercritical water

57
Q

day - to day atmospheric conditions

A

weather

58
Q

weather condition prevailing in a given area over a longer period of time

A

climate

59
Q

What is WMO

A

World Meteorological Organization

60
Q

Distance from equator

A

Latitude

61
Q

Heigh above sea level

A

Altitude

62
Q

Higher places have cooler temperature

A

True

63
Q

the wind direction a particular area or region experiences most frequently

A

Prevailing Winds

64
Q

how many major wind zones are there in prevailing winds?

A

5