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3rd monthly > science > Flashcards

science Flashcards

1
Q

volcano comes from the Italian word vulcano, which means?

A

burning mountain

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2
Q

latin word Vulcan means?

A

Roman God of Fire

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3
Q

magma passes through from the magma chamber to the earths surface

A

main vent

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4
Q

large reservoir that stores molten rocks

A

magma chamber

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5
Q

bowl shaped depression produced by the volcanic activity

A

crater

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6
Q

steam of molten rock flowing out of the crater

A

lava flow

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7
Q

alternative smaller outlet where magma escapes to reach earths surface

A

secondary vent

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8
Q

formed when lava and ashes escape rom smaller vents

A

secondary cone

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9
Q

formed when thick volcanic ashes are discharged into the atmosphere caused by violent explosion

A

ash cloud

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10
Q

mixture of rocks, minerals, and glass particles

A

ash

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11
Q

types of volcanoes according to shapes

A
  1. cinder cone
  2. shield
  3. composite
    4.lava dome
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12
Q

are formed from pyroclastic fragments and volcanic ashes that form and solidify around the majn vent to form a cone

A

cinder cone

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13
Q

typically symmetrical cones that are steep and may rise as high as 2 400 meters

A

composite

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14
Q

are formed from non acidic basaltic lava flows of high viscosity producing broad sloping sides and shield like structures

A

shield

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15
Q

types of volcanoes according to eruptive history

A
  1. active
    2.dormant
    3.extinct
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16
Q

these volcanoes have erupted during historical times within the last 600 years

A

active

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17
Q

these volcanes are active but not erupting

A

dormant

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18
Q

these volcanoes have not had any eruption in the past 10 000 years

A

extinct

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19
Q

phases of a volcano

A

preparation phrase, eruption phrase, eruption phrase

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20
Q

an increase in seismic activity and steam or smoke coming out

A

preparation phrase

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21
Q

the pressure will start to build up inside the magma chamber and the energy starts to increase

A

eruption phrase

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22
Q

the magma chamber is now empty, which may trigger the walls of the conduit to weaken

A

ending phrase

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23
Q

types of volcanic eruptions

A

1.effusice eruption
2.explosive eruption
3.hawaiian
4.strombolian
5.vulcanian
6.plinian
7.phreatic
8.phreatomagmatic

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24
Q

invlove the outpouring of basaltic magma that is relatively low in viscosity and low in gas content

A

effusive eruption

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25
Q

involve magma of high viscosity and high gas content

A

explosive eruption

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26
Q

fluid basaltic lava is thrown into the air, creating a lava fountain

A

hawaiian

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27
Q

there is a burst of glowing lava due to the bursting of gas bubbles

A

strombolian

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28
Q

the eruption is short, explosive, and violent

A

vulcanian

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29
Q

is the most violent among all the volcanic eruptions

A

plinian

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30
Q

is a steam driven explosion

A

phreatic

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31
Q

involves the eruption of magma that reacts to external water

A

involves the eruption of magma that reacts to external water

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32
Q

materials extruded during eruptions

A

lava,tephra

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33
Q

pyroclastic materials

A

volcanic bombs, volcanic ash, lapilli, volcanic blocks

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34
Q

refers to day by day atmospheric conditions

A

weather

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35
Q

the average weather condition prevailing in a given area

A

climate

36
Q

the distance from the equator

A

latitude

37
Q

refer to the wind direction a particular area or region

A

prevailing winds

38
Q

these are dry, cold winds

A

polar eastelies

39
Q

these are winds that blow from west going east

A

westerlies

40
Q

are subtropical latitudes found between 30 and 35

A

horse latitude

41
Q

winds that blow from east to west near the equator

A

trade winds

42
Q

happen near the equator with light ocean currents and winds

A

doldrum

43
Q

elevated or higher places are found to have colder temparature

A

altitude

44
Q

oceans and sea heat up and cool down longer than land

A

distance from the sea

45
Q

knows for his climate classification

A

wladimir peter koppen

46
Q

are found near the equator

A

tropical climate

47
Q

very hot summer with seldom rains

A

dry climate

48
Q

characterized by moderate rainfall

A

temperate climate

49
Q

include variations of temparature year round

A

continental climate

50
Q

characterized by cool summers and very cold long winters

A

polar climate

51
Q

there are two pronounced seasons: dry from the months of november to april and wet during the rest of the year

A

type I

52
Q

there is no dry season with very pronounced rainfall from november up to april and wet rest of the year

A

type II

53
Q

seasons are not very pronounced it is relatively dry from november to april and then wet for the rest of the year

A

type III

54
Q

rainfall is more likely to be evenly distributed

A

type IV

55
Q

seasonal shift in the direction of the prevailing winds of a region

A

monsoon

56
Q

northwest monsoon

A

amihan

57
Q

southwest monsoon

A

habagat

58
Q

refers to the gradual increase of the overall temperature

A

global warming

59
Q

(ENSO) significant climate phenomena because of its ablity to alter

A

El Nino southern oscillation

60
Q

means little boy in spanish

A

el nino

61
Q

means little girl in spanish

A

la nina

62
Q

rapid rotating storm formed over tropical oceans

A

tropical cyclones

63
Q

tropical cyclones that forms over tropical waters

A

hurricane

64
Q

mature tropical cyclone

A

typhoon

65
Q

(PSWS)

A

public storm warming system

66
Q

provides us heat and light

A

sun

67
Q

characteristics of stars

A

mass, size \, color, brightness, surface temperature

68
Q

radius of the sun usually basis for other stars

A

size

69
Q

use to describe the mass of a star

A

mass

70
Q

color of the star is related to its temparature

A

color

71
Q

expressed in terms of luminosity and magnitude

A

brightness

72
Q

it will heat up and form a?

A

protostar

73
Q

star patterns wich form mythlogical characters

A

constellation

74
Q

prominent pattern or group of stars

A

asterism

75
Q

five constellations

A

ursa major, ursa minor, cassiopeia, draco, cephus

76
Q

to show the apprent positions of stars

A

star map

77
Q

known as the great bear

A

ursa major

78
Q

known as the hunter

A

orion

79
Q

king of ethiopia

A

cephus

80
Q

known as the lion

A

leo

81
Q

princess of ethiopia

A

adnromeda

82
Q

known as big dog

A

canis major

83
Q

queen of ethiopia

A

cassiopeia

84
Q

instrument used to observe distant objects

A

telescope

85
Q

an integrated circuit that stores and displays images

A

charged couples device

86
Q

early device use to represent the great circles of heavens

A

armillary sphere

87
Q

telescope places outside the earth

A

space telescope

3rd monthly (7 decks)

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