SCIENCE DAY3 Flashcards
1
Q
Study of everything in the universe
A
Astronomy
2
Q
ALL planets _______ around the sun in the same direction
A
Revolve
3
Q
SOME planets ______ around its axis in the same direction
A
Rotate
4
Q
Direction of revolution of planets
A
Eastward, west to east, counterclockwise
5
Q
Planets in the solar system rotates on their axis in eastward direction/west to east/counterclockwise except
A
Venus and Uranus
6
Q
Shape of orbit
A
Elliptical orbit
7
Q
Fastest revolving/orbiting planet
A
Mercury
8
Q
1 revolution of MERCURY is equals to ______ earth days
A
88
9
Q
Brightest planet, hottest planet, earth’s closest neighboring planet
A
Venus
10
Q
Only planet with life
A
Earth
11
Q
Shape of Earth
A
Oblate Spheroid
12
Q
Name of Earth’s moon
A
Luna
13
Q
Red planet
A
Mars
14
Q
Mars’ 2 moons
A
Phobos and Deimos
15
Q
Location of asteroid belt
A
Between Mars and Jupiter
16
Q
Terrestrial planets are made-up of
A
Rocks
17
Q
What are the terrestrial planets
A
Mercury
Venus
Earth
Mars
18
Q
What are the Gas/Jovian Planets
A
Jupiter
Saturn
Uranus
Neptune
19
Q
Largest planet
A
Jupiter
20
Q
Number of moons of JUPITER
A
92
21
Q
4 Galilean Moons of Jupiter
A
Io
Europa
Ganymede
Callisto
22
Q
Planet that has spectacular rings made of ice, rocks, dusts
A
Saturn
23
Q
Number of moons of Saturn
A
83 moons
24
Q
What is the largest moon of Saturn
A
Titan
25
Planets that are ICE GIANTS
URANUS
NEPTUNE
26
Dwarf planet
Pluto (1930-2006)
27
Pluto is found in the
Kuiper Belt
28
5 moons of pluto
Charon, Nix, Hydra, Kerberos, Styx
29
Earth's moon is ______ of the Earth's gravity
1/6
30
Earth's moon is _____ of the Earth's size
1/4
31
What do you call the same side of the moon is always facing the Earth
Tidal lock
32
How many phases does the moon have
8 or 4
33
Type of eclipse Earth's shadow fall on the moon
Lunar eclipse
34
Type of eclipse
🌞🌍🌚
Lunar eclipse
35
Type of eclipse
Moon's shadow fall on the Earth
Solar Eclipse
36
Type of eclipse
🌞🌚🌍
Solar eclipse
37
Highest tide and lowest tide
Spring tide
38
Have lower high tides and higher low tides
Neap tides
39
What cause tides
Gravity of the moon
40
Distance of moon and earth
Moon closest to the earth
Perigee
41
Distance of moon and earth
Moon farthest from the earth
Apogee
42
Lunar missions
First successful manned mission to the moon
Apollo 11
43
Lunar missions
First men on moon (July 16, 1969)
Neil Armstrong
Buzz Aldrin
(Michael Collins)
44
A medium-sized star that has a white color
Sun
45
H + H = He + energy
What is this called
Nuclear fusion
46
Distance of sun and earth
Sun is closest to the earth
Perihelion
47
Distance of sun and earth
Sun is farthest from the earth
Aphelion
48
Small debris chipped off from an asteroid
Meteoroid
49
What do you call the asteroid when it enters the atmosphere
Meteor
50
What do you call the asteroid when it hits the land
Meteorite
51
Small body of rock, iron, ICE, methane, ammonia, carbon dioxide that orbit the sun (long-haired)
Comets
52
Comet's tail points
Points away from the sun
53
Halley's comet appears every _____ years
76
54
A ball of hydrogen and helium
Star
55
Hottest star color
Blue
56
Coolest star color
Red
57
Group of stars forming recognizable pattern
Constellation
58
Nearest star
Proxima centauri
59
Brightest star
Sirius
60
Polaris of the Ursa Minor (little bear)
Northern star
61
Largest known star
Stephenson 2-18
62
Appearance of first dinosaurs and mammals
Triassic period
63
Age of dinosaur
Jurassic Period
64
Called solid earth
Lithosphere
65
Earth's surface, outermost layer of the earth
Crust
66
Layer of earth that is rocky, made up of Si, O, Fe, Mg, Ca
Mantle
67
Lithosphere includes
Crust + upper mantle
68
Innermost central part of the earth
Core
69
The liquid outer core is primarily made up of
Iron and nickel
70
The inner core is primarily made up of
Iron and is solid
71
The super continent in the theory of Alfred Wegener
Pangea
72
Theory of Alfred Wegener that the evidence is the jigsaw-like shapes of South America and Africa
Continental Drift Theory
73
Any movement of the ground due to volcanic eruption and tectonic plate
Earthquake
74
Foreshock happens
Before
75
Mainshock happens
During/Strongest
76
Aftershock happens
After
77
The point of origin where the movement of fault happens
Focus
78
The place above the focus
Epicenter
79
Measurement of energy released by the earthquake
Magnitude
80
The damage produced and the reaction of people (earthquake)
Intensity
81
What do you call the instrument to measure the magnitude of an earthquake
Richter scale
82
Who invented the Richter scale
Charles Richter
83
What is the instrument used to measure the intensity of an earthquake
Mercalli intensity scale
84
A naturally occurring inorganic crystalline composed of an ordered arrangement of atoms with a specific chemical composition
Mineral
85
It means resistance to scratch
Hardness
85
In Moh's scale of hardness what is the hardest
Diamond
86
In Moh's scale of hardness what is the number 1 not so hard
Talc
86
Can be generally classified into igneous, sedimentary, and metamorphic
Rocks
87
Type of rock that Is formed from hardened magma or lava (crystallization)
Igneous rock
88
Type of rock that is formed by the layers of sediments (lithification)
Sedimentary rock
89
Coal is an example of what type of rock
Sedimentary rock
90
Under coal Decayed vegetation
Peat
91
Soft brown coal (lowest rank of coal)
Lignite
92
Type of coal
Black coal
Bituminous
93
Type of coal
Dark, black coal, having highest-heat value among the four
Anthracite
94
Type of rock is formed from when rocks are subjected to heat and pressure
Metamorphic rock
95
What do you call the breaking of rocks
Weathering
96
What do you call the removal of solids (other particles) usually occurs due to transport by wind and water
Erosion
97
_______ of Earth is submerge with water
3/4 or 75%
98
FIVE OCEANS (LARGEST-SMALLEST)
PACIFIC OCEAN
ATLANTIC
INDIAN
SOUTHERS (ANTARTICA)
ARCTIC
99
deals with the study of the atmosphere
METEOROLOGY
100
Layers of ATMOSPHERE
TROPOSPHERE
STRATOSPHERE
MESOSPHERE
THERMOSPHERE
EXOSPHERE
101
lowermost layer of the atmosphere
Troposphere
102
layer of the atmosphere where most weather occur
Troposphere
103
is the layer of the atmosphere where ozone layer is found
Stratosphere
104
what protects us against UV rays
ozone layer
105
what destroys ozone layer
chlorofluorocarbons (CFC's)
106
CFC's are replaced by alternative chemicals called
hydrofluorocarbons
107
coldest layer of the atmosphere
mesosphere
108
layer of the atmosphere where meteors burnt up
mesosphere
109
hottest layer of the atmosphere
thermosphere
110
layer of the atmosphere where AURORAS (Australis-southern, Borealis-northern) are observed
thermosphere
111
the outermost layer of the atmosphere
exosphere
112
the Earth's magnetic field, protects the Earth from dangerous charged particles (solar flares and solar winds)
MAGNETOSPHERE
113
typhoons form in the
PACIFIC OCEAN
114
CYCLONES form in the
INDIAN OCEAN
115
HURRICANES form in the
ATLANTIC OCEAN
116
these are made of water and are classified based on their SHAPE and ALTITUDE
CLOUDS
117
what clouds that bring thunderstorms
CUMULONIMBUS
118
these are seasonal changes due to changing winds
Philippine Monsoons
119
northeast monsoon
September to June (cold and dry)
AMIHAN
120
southwest monsoon
July-August (warm and humid)
HABAGAT
121
this is caused by NOx (nitrogen oxide) and SOx (sulfur oxide)
acid rain
122
thermal blanket
greenhouse effect
123
accumulation of carbon dioxide and other gases which causes trapping of heat from the sun
greenhouse effect
124
caused by an increased of carbon dioxide in the atmosphere resulted in a rapid increase in temperature
global warming
125
water pollution: the source is easily identified through pipelines from large factories, septic tanks, and others that directly pour wastes into bodies of water
point source pollution
126
water pollution: the source of water pollution either cannot be identified or may come from many sources
non-point source pollution
127
algal boom occurs because of the high nutrients in the water. eventually, oxygen concentration is reduced because of the decomposition of dead algae
eutrophication
hypertrophication
