3rd Flashcards

1
Q

what are volcanos?

A

a vent or opening in hot gasses, rocks and lava are ejected

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2
Q

how are volcanoes formed?

A

through convergence and divergence of plates

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3
Q

where are volcanoes commonly found?

A

the pacific ring of fire

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4
Q

part of a volcano where its the site of erruption

A

volcanic vent

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5
Q

circular depression around the vent (the hole)

A

volcanic crater

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6
Q

crater that widens due to the collapse of the walls

A

caldera

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7
Q

underground reservoir of molten rocks (magma)

A

magma chamber

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8
Q

aka magma when it reaches the surface of the earth

A

lava

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9
Q

cloud ash, lava fragments carried through air and vapor

A

pyroclastic material

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10
Q

3 volcanos according to shape

A

cinder cone
shield
composite

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11
Q

built from cinders, a steep/tall hill formed above a vent. its explosions are only pyroclastic material

A

cinder cone (taal)

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12
Q

have gentle slopes due to the spreading of lava (short volcano), its explosions are only lava, no pyroclastic material

A

shield volcano (mauna loa)

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13
Q

aka stratovolcano, a mix of cinder cone and shield ejects both lava and pyroclastic materials

A

composite volcano (mt fuji

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14
Q

found alongside composite volcanos

A

lava dome

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15
Q

3 volcanos according to activity

A

active
dormant
extinct

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16
Q

exploded in the recent times and is capable of exploding

A

active (taal-smallest)

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17
Q

exploded in historical times but are now quiet and inactive (still capable of erupting)

A

dormant (mt fuji)

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18
Q

no record of activity by scientists (do not have enough lava supply in the chamber

A

extinct (mt taranaki)

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19
Q

science that deals with the atmosphere

A

meteorology (meteorologists)

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20
Q

condition in the atmosphere for a short period of time

A

weather

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21
Q

average pattern of weather condition (long period of time)

A

climate

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22
Q

factors that climate depend on

A
latitude, 
altitude, 
topography, 
presence of bodies of water, 
wind systems
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23
Q

used for classifying the world’s climates

A

koppen-geiger classification map

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24
Q

based on the Koppen Geiger map, what climate the does majority of the Philippines have?

A

tropical rainforest

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25
distance from the equator
latitude
26
the higher, the colder
altitude
27
presence of snowcaps
topography
28
coastal areas receive more rainfall
presence of bodies of water
29
wind is produced due to the unequal amount of heat in the earths surface (trade winds, itcz, westerlies, polarwinds, and cold front)
wind systems
30
nov to feb
amihan
31
june to oct
habagat
32
deflection of winds due to the rotation of the earth eastward
Coriolis effect
33
indications of a warming world
``` rising sea levels, melting se ice, rising land/sea temps higher humidity melting of glaciers disappearance of snowcaps ```
34
measures air temp
weather thermometer
35
looks like a clock, measures atmospheric pressure
barometer
36
has two thermometers (balisong), measure relative humidity
psychrometer
37
looks like cups, device used to measure wind speed
anemometer
38
(used at airports, racetracks) used to indicate wind direction
windsock
39
determines the direction of wind
wind vane
40
used to measure humidity (looks like a scale)
hygrometer
41
used to measure amount of rainfall (looks like a water bottle)
rain gauge
42
used to monitor the weather and climate from space
weather satellite
43
massive luminous balls of flaming gases (mostly hydrogen/helium)
stars
44
uses the size of the sun as a reference
speckle interferometry
45
uses the letters of the alphabet to classify stars
spectral classification
46
the redder, the colder
star colors
47
tells how bright a star is by how it appears
apparent magnitude
48
tells how bright a star is by how bright it really is
absolute magnitude
49
life cycle of a star
``` stellar nebula average star/massive star red giant/red supergiant planetary nebula/supernova white dwarf/neutron star, black hole ```
50
group of stars the form patterns
constellations
51
visible all the time
circumpolar
52
observed by certain periods
seasonal
53
great bear/big dipper (house with legs
ursa major
54
smaller bear/little dipper, has Polaris, the north star (snake w short head)
ursa minor
55
the dragon, aka taweret, defined during Egyptian times (snake w/long head)
draco
56
king of the mythical land of aethiopia (house)
cepheus
57
the boastful queen with unrivalled beauty, seen in november (w)
cassiopeia
58
a mighty hunter, one of the most famous constellations (the archer)
orion
59
constellation located in a "band"
zodiac constellations
60
astronomy vs astrology
astronomy - scientific | astrology - not real, no scientific evidence
61
uses of constellations
navigation seasons (when to plant/harvest) preserve myths and traditions