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
involve magma of high viscosity and high gas content
explosive eruption
26
fluid basaltic lava is thrown into the air, creating a lava fountain
hawaiian
27
there is a burst of glowing lava due to the bursting of gas bubbles
strombolian
28
the eruption is short, explosive, and violent
vulcanian
29
is the most violent among all the volcanic eruptions
plinian
30
is a steam driven explosion
phreatic
31
involves the eruption of magma that reacts to external water
involves the eruption of magma that reacts to external water
32
materials extruded during eruptions
lava,tephra
33
pyroclastic materials
volcanic bombs, volcanic ash, lapilli, volcanic blocks
34
refers to day by day atmospheric conditions
weather
35
the average weather condition prevailing in a given area
climate
36
the distance from the equator
latitude
37
refer to the wind direction a particular area or region
prevailing winds
38
these are dry, cold winds
polar eastelies
39
these are winds that blow from west going east
westerlies
40
are subtropical latitudes found between 30 and 35
horse latitude
41
winds that blow from east to west near the equator
trade winds
42
happen near the equator with light ocean currents and winds
doldrum
43
elevated or higher places are found to have colder temparature
altitude
44
oceans and sea heat up and cool down longer than land
distance from the sea
45
knows for his climate classification
wladimir peter koppen
46
are found near the equator
tropical climate
47
very hot summer with seldom rains
dry climate
48
characterized by moderate rainfall
temperate climate
49
include variations of temparature year round
continental climate
50
characterized by cool summers and very cold long winters
polar climate
51
there are two pronounced seasons: dry from the months of november to april and wet during the rest of the year
type I
52
there is no dry season with very pronounced rainfall from november up to april and wet rest of the year
type II
53
seasons are not very pronounced it is relatively dry from november to april and then wet for the rest of the year
type III
54
rainfall is more likely to be evenly distributed
type IV
55
seasonal shift in the direction of the prevailing winds of a region
monsoon
56
northwest monsoon
amihan
57
southwest monsoon
habagat
58
refers to the gradual increase of the overall temperature
global warming
59
(ENSO) significant climate phenomena because of its ablity to alter
El Nino southern oscillation
60
means little boy in spanish
el nino
61
means little girl in spanish
la nina
62
rapid rotating storm formed over tropical oceans
tropical cyclones
63
tropical cyclones that forms over tropical waters
hurricane
64
mature tropical cyclone
typhoon
65
(PSWS)
public storm warming system
66
provides us heat and light
sun
67
characteristics of stars
mass, size \, color, brightness, surface temperature
68
radius of the sun usually basis for other stars
size
69
use to describe the mass of a star
mass
70
color of the star is related to its temparature
color
71
expressed in terms of luminosity and magnitude
brightness
72
it will heat up and form a?
protostar
73
star patterns wich form mythlogical characters
constellation
74
prominent pattern or group of stars
asterism
75
five constellations
ursa major, ursa minor, cassiopeia, draco, cephus
76
to show the apprent positions of stars
star map
77
known as the great bear
ursa major
78
known as the hunter
orion
79
king of ethiopia
cephus
80
known as the lion
leo
81
princess of ethiopia
adnromeda
82
known as big dog
canis major
83
queen of ethiopia
cassiopeia
84
instrument used to observe distant objects
telescope
85
an integrated circuit that stores and displays images
charged couples device
86
early device use to represent the great circles of heavens
armillary sphere
87
telescope places outside the earth
space telescope