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Science 9 > 3rd > Flashcards

3rd Flashcards

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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
Q

distance from the equator

A

latitude

26
Q

the higher, the colder

A

altitude

27
Q

presence of snowcaps

A

topography

28
Q

coastal areas receive more rainfall

A

presence of bodies of water

29
Q

wind is produced due to the unequal amount of heat in the earths surface (trade winds, itcz, westerlies, polarwinds, and cold front)

A

wind systems

30
Q

nov to feb

A

amihan

31
Q

june to oct

A

habagat

32
Q

deflection of winds due to the rotation of the earth eastward

A

Coriolis effect

33
Q

indications of a warming world

A 
rising sea levels,
melting se ice, 
rising land/sea temps
higher humidity
melting of glaciers
disappearance of snowcaps
34
Q

measures air temp

A

weather thermometer

35
Q

looks like a clock, measures atmospheric pressure

A

barometer

36
Q

has two thermometers (balisong), measure relative humidity

A

psychrometer

37
Q

looks like cups, device used to measure wind speed

A

anemometer

38
Q

(used at airports, racetracks) used to indicate wind direction

A

windsock

39
Q

determines the direction of wind

A

wind vane

40
Q

used to measure humidity (looks like a scale)

A

hygrometer

41
Q

used to measure amount of rainfall (looks like a water bottle)

A

rain gauge

42
Q

used to monitor the weather and climate from space

A

weather satellite

43
Q

massive luminous balls of flaming gases (mostly hydrogen/helium)

A

stars

44
Q

uses the size of the sun as a reference

A

speckle interferometry

45
Q

uses the letters of the alphabet to classify stars

A

spectral classification

46
Q

the redder, the colder

A

star colors

47
Q

tells how bright a star is by how it appears

A

apparent magnitude

48
Q

tells how bright a star is by how bright it really is

A

absolute magnitude

49
Q

life cycle of a star

A 
stellar nebula
average star/massive star
red giant/red supergiant
planetary nebula/supernova
white dwarf/neutron star, black hole
50
Q

group of stars the form patterns

A

constellations

51
Q

visible all the time

A

circumpolar

52
Q

observed by certain periods

A

seasonal

53
Q

great bear/big dipper (house with legs

A

ursa major

54
Q

smaller bear/little dipper, has Polaris, the north star (snake w short head)

A

ursa minor

55
Q

the dragon, aka taweret, defined during Egyptian times (snake w/long head)

A

draco

56
Q

king of the mythical land of aethiopia (house)

A

cepheus

57
Q

the boastful queen with unrivalled beauty, seen in november (w)

A

cassiopeia

58
Q

a mighty hunter, one of the most famous constellations (the archer)

A

orion

59
Q

constellation located in a “band”

A

zodiac constellations

60
Q

astronomy vs astrology

A

astronomy - scientific

astrology - not real, no scientific evidence

61
Q

uses of constellations

A

navigation
seasons (when to plant/harvest)
preserve myths and traditions

Science 9 (3 decks)

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