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Earth Science > Midterm > Flashcards

Midterm Flashcards

(80 cards)

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1
Q

Describe the four systems of the earth

A

Geosphere
Atmosphere
Biosphere
Hydrosphere

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2
Q

Geosphere

A

earth and all its layers

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3
Q

What are the three layers of a geosphere

A

Crust, mantle, and core

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4
Q

Layers of the sun and the order of them.

A

Core -> radiation -> convection zone -> photosphere -> chromosphere -> corona

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5
Q

Atmosphere

A

A blanket of gas that surronds the Earth

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6
Q

what are the five layers of the atmosphere

A

troposphere(tropical shower), stratosphere(straps on boots by the door), mesosphere(mess by the toilet), thermosphere(beday has tempure) and exosphere(exit through the door)

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7
Q

What are the purposes of the atmosphere

A

Oxygen to give life, Protects from uv rays from sun, Regulates temp.

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8
Q

Hydrospere

A

all water in earth(includes glacier,clouds, ocean, and all forms of water including gasses

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9
Q

Bioshpere

A

all orgiams and the enviroment they live in

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10
Q

what are the five areas of earth science

A

astromy, meteorology ,geology ,biology ,cosmology

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11
Q

lines on a topographic map are called what

A

depression contour lines

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12
Q

How are solar flares related to the solar activity cyle(aka sunspot cycle)

A

more sunspots, more solar flares

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13
Q

What happens to the core of the sun when it runs out of hydrogen for fuel (size, temp, new fuel?)

A

core shrinks, then increase of temp, new fuel is then helium

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14
Q

two types of stars that can from after a supernova are what

A

nutron stars and black holes

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15
Q

what determines the type of a star a star will become

A

density , mass and hydrogen and helium.

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16
Q

what is the heaviest element that can be prudeced in a star

A

iron

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17
Q

what stars produce iron

A

supergiants

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18
Q

what does a stars absorption spectra tell us

A

temp and composition of a stare

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19
Q

what is fusion

A

how energy is produced in a star

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20
Q

solar flare

A

violent eruption on the sun

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21
Q

solar wind

A

streams of plasma from the corona at high speed

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22
Q

prominece

A

arc of plasma

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23
Q

black hole

A

dense star that is a region of spacetime where gravity is so strong that nothing — no particles or even electromagnetic radiation such as light — can escape from it.

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24
Q

nebula

A

condensed cloud of interstellar gas

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25
supernova
outward explosion of gas
26
prostar
rotating disk, disk shape
27
what happens during redshift
redshift is moving away
28
What does redshift tell us about the universe
the universe is expanding
29
what are the three outcomes of the universe
open closed flat
30
open out come of the universe is :
will forever continuously expand
31
closed outcome of the universe
expansion will stop and be pulled back to original starting point
32
flat outcome of the universe
slows to a stop
33
big bang theory
universe started at one point and has been expanding ever since
34
universe is how old
13.8 byo
35
local group
SMALL clusters of galaxies
36
outward expansion of the universe is increasing by inward froce
true
37
rr lyrae varibles pusation periods and distance
pp= 1.5 hrs to 1..2 days and it is closer to earth than cephid variables
38
cephid varibles pulsation periods and distance
pp=1-100 days farther than rrlyraea variables from earth
39
supercluster
super huge galaxies that are hundreds of millions of light years in size
40
cosmology
study of the universe its nature and its origen
41
population one stars age
younger than 10 bil.
42
population one stars location
disk and arms
43
population one stars percentage of element heavier than helium
2% one person( one pop star holdings 2 balloons)
44
p2s stars location
halo and bulge
45
p2s stars age
older than 10 bil
46
p2s stars percentage of element heavier than helium
.1% (two people one balloon)
47
each planet's orbit about the Sun is an ellipse.
Kepler's first law
48
planet moves faster when closer to the sun and slower when farther fom the sun in an ellipse
Kepler's second law
49
period for a planet to orbit the Sun increases rapidly with the radius of its orbit.
Kepler's third law
50
gaint impact theory
marz sized object hit earth made moon
51
eccentricity and relation of shape of orbit
closer to 0 more round closer to one more ovular
52
sun formed in center
true
53
planets form in :
rotating disk
54
plantes:
MVEMJSUN
55
equinox
equal # of night
56
Solstice
max number of daylight hours
57
metor
streak of light
58
asteriod
rocky planetesimal
59
metorite
collieds with ground
60
metoriods
fragmen of a asteroid
61
five principles of relitive dating
original horizantaily superpostion, cross cutting relationships, inclusions, lateral continuity
62
era epochs periods and eons in ored in longest to shortees amout of time
era, eon, period, epoch
63
age of reptiles
mezizoic
64
age of mamles
mezosoic
65
dinosauers extint
mezosoic
66
largest mass extinction
paleozoic
67
sources of haet in early earth:
radioactivity, impacgs,
68
3 rock evidence
zircon, astrialus age, and moon rocks
69
ocean floor is how old
180 mill
70
pangea is how old
200mill
71
ocean floor formed after pangea broke apart
caused pangea to never go back together
72
what boundry dooes seafloor speading ocour at
divergent, and ocean ridges
73
ocean trench which boundry
convergent
74
mid ocean trench which boundry
divergent
75
subduction zone which boundry
convergent
76
mountain range which boundry
c-c
77
volcanic mountain range which boundry
o-c
78
volcainic islands which boundry
o-o
79
rift vally which boundry
divergent
80
whereas are most divergent bundies found?
seafloor, and rift vallys

Earth Science (1 decks)

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