science 3rd quarter Flashcards

1
Q

large, nearly perfect slope structure from alternate solidification of both lava and pyroclastic deposit

A

composite cone or stratovolcano

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2
Q

build from ejected lava fragments

A

cinder cone

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3
Q

has a steep slope, wide crater and most abundant of the three volcano types

A

cinder cone

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4
Q

three volcanic cones

A

shield cone
cinder cone
composite cone

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5
Q

formed by accumulation of lava that oozes out from the volcano

A

shield cone

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6
Q

formed from a non-viscous lava that flow freely, producing a broad, slightly domed structure that looks like a warrior’s shield

A

shield cone

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7
Q

what are these volcanic materials ejected from the volcano

A

lava
broken rocks
lava bombs
fine ash
dust

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8
Q

a period weak to violent eruption characterized by fountain lava

A

strombolian

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9
Q

types of volcanic eruptions

A

phreatic or hydrothermal
phreatomagmatic
strombolian
vulcanian
plinian

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10
Q

a stream-driven eruption as the hot rocks come in contact with water

A

phreatic or hydrothermal

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11
Q

short-lived, characterized by ash columns

A

phreatic or hydrothermal

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12
Q

a violent eruption due to contact between water and magma

A

phreatomagmatic

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13
Q

a large column of very fine ash and high-speed and sideway emission of pyroclastic called base surges

A

phreatomagmatic

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14
Q

characterized by tall eruption columns that reach up to 20 km high with pyroclastic flow and ashfall tephra

A

vulcanian

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15
Q

excessively explosive type of eruption of gas and pyroclastics

A

plinian or vesuvian

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16
Q

sign of impending volcanic eruption

A

drying up of springs/wells around the volcano
increase in the temper of hot springs

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17
Q

magmas with low silica content are

A

less viscous

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18
Q

magmas with high silica content are

A

more viscous

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19
Q

property of the material’s resistance to flow

A

viscosity

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20
Q

the higher the temperature the magma

A

the less viscous the magma

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21
Q

the lower the temperature of magma

A

the more viscous the magma

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22
Q

magma with low amount of gas

A

is more viscous

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23
Q

magma with high amount of gas

A

is less viscous

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24
Q

built in an area where it is particularly hot just below the surface such as near the geysers, hot springs or volcanic activity

A

power plants

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25
Q

imaginary lines on a globe or map that measure distance in degrees north or south of the equator. They are parallel to the equator

A

latitude

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26
Q

usual weather condition in a particular place or region for a long period of time

A

climate

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27
Q

near the equator

A

tropic zone

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28
Q

receives a lot direct sunlight

A

tropic zone

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29
Q

temperatures are high most of the year

A

tropic zone

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30
Q

land here can be desert or tropical rainforest

A

tropic zone

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31
Q

three main climate zones

A

polar zone
temperate zone
tropic zone

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32
Q

farthest from equator

A

polar zone

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33
Q

indirect sunlight all year long

A

polar zone

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34
Q

coolest temperature of all the climate zones

A

polar zone

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35
Q

far from the equator

A

temperate zone

36
Q

indirect sunlight but receives more sunlight than the polar zone

A

temperate zone

37
Q

is the distance fron the sea level

A

altitude

38
Q

transport warm water and rain from the equator toward the poles

A

ocean currents

39
Q

regulate global climate

A

ocean currents

40
Q

in the northern hemisphere, the currents flow in a

A

clockwise direction

41
Q

in the southern hemisphere, the current flows in

A

counterclockwise direction

42
Q

caused by the earth’s rotation deflecting the circulating air.

A

coriolis effect

43
Q

process when the earth’s atmosphere becomes thick with greenhouse gases

A

greenhouse effect

44
Q

refers to any significant change in the measures of climate lasting for an extended period of time

A

climate change

45
Q

gradual increase in the overall temperature of the earth’s atmosphere generally attributed to the green house effect

A

global warming

46
Q

happens when the temperature in eastern pacific rises above normal. trade winds that moves from east to west are weakened

A

el nino

47
Q

occurs when the temperature in eastern pacific decreases below normal. trade winds that moves from east to west are strengthened

A

la nina

48
Q

effects of el nino

A

severe droughts
stronger thunderstorm
massive storm

49
Q

effects of la nina

A

early rainy season
short dry season
strong monsoon activity
more tropical cyclones
above normal rainfall

50
Q

refers to “christ the child”

A

el nino

51
Q

a massive ball of plasma that emits light throughout the universe

A

star

52
Q

the process where two atoms of hydrogen fuse together to form an atom of helium

A

nuclear fusion

53
Q

the process releases a tremendous amount of energy and makes stars shine brightly

A

nuclear fusion

54
Q

physical characteristics

A

color
temperature
size
brightness

55
Q

its brightness as seen from earth

A

apparent brightness

56
Q

depends on how far away a star is from earth

A

apparent brightness

57
Q

the brightness the star would have if all stars were the same standard distance from earth

A

absolute business

58
Q

allows astronomers to compare the brightness of all stars

A

absolute brightness

59
Q

unit of distance used by astronomers to compare the brightness of all stars

A

light year

60
Q

the distance that light travels in one year

A

light year

61
Q

roughly equal to 9.5 million kilometers

A

light year

62
Q

are even smaller about 20 km in diameter

A

neutron stars

63
Q

depends on both its size and temperature

A

brightness

64
Q

what color is the hottest star

A

blue

65
Q

stars are made up mostly of ____ and they produce their energy by nuclears fusion

A

hydrogen and some helium

66
Q

group of stars that, when seen from earth, form a pattern showing imaginary pictures of animals, objects and people

A

constellation

67
Q

what did christian filipinos named the tree stars (orion’s belt)

A

tatlong maria/tres marias

68
Q

the stars in the sky are divided into 88 constellations

A

42 animals
28 objects
14 humans
2 chimeras
2 nature

69
Q

(the southern cross) is the brightest constellation

A

crux

70
Q

constellation with greatest number of visible stars in it (101 stars)

A

centaurus

71
Q

(the water snake) is the largest constellation (which extends 3.158% of the sky)

A

hydra

72
Q

different constellations are seen throughout the year. This is due to

A

revolution

73
Q

the stars on the same side as the sun cannot be seen because

A

the sunlight overpowers all the starlights

74
Q

known as (north star) directly above the earth’s north pole

A

polaris

75
Q

lepu

A

aquila
late may
time to clean the fields while waiting for harvest time

76
Q

interpreted the appearance of ___ as the end of planting seaso. and it signified rich harvest

A

gemini

77
Q

pandarawa

A

pleiadis
january
start of planting what kind of crops to plant and how wide the area for planting should be

78
Q

baha

A

taurus
December to February
clearing of forests

79
Q

in the northern hemisphere, the constellation ____ indicates the coming of cold season

A

oriob

80
Q

malihe

A

march
planting of rice, corn or vegetables

81
Q

balatik

A

orion’s belt
February
start of planting and setting traps to protect the crops from animals

82
Q

is also used in navigation

A

constellations

83
Q

buwaya

A

june
start of rainy season

84
Q

malara

A

canis minor
may
stop planting

85
Q

gibbang

A

gemini
april and may
end of planting season;signifies rich harvest