Physical Science > CH25.3 and 25.4 > Flashcards

CH25.3 and 25.4 Flashcards

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1
Q

what is the boundry that marks a density change

A

discountiunity

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2
Q

how are discountinunity identified

A

studing sesmic waves

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3
Q

what are shadow zones

A

are areas where sismec waves are not recorded

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4
Q

whats a nother name for shadow zone

A

dead zone

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5
Q

bewtween what degree do shadow zones fall

A

105 to 140 degrees

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6
Q

is the outter core liquad or solid

A

liquad

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7
Q

is the inner core solid or liquad

A

solid because of the preasure

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8
Q

what makes up a asthenosphe

A

the crust and the upper most mantle

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9
Q

which elements make up the core

A

iron and nickel

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10
Q

what is molten liquid rock stored inside earth called

A

Mangma

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11
Q

where is the ring of fire located

A

Along the pasific ocean shore line

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12
Q

which two spasific location have volcanic activity due to divergents

A

the East African Rift Valley and mid ocean rigde

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13
Q

what can hotspot create

A

islands(spasific example: hawaii island)

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14
Q

if the viscosity was higher will it go more faster or slower

A

more slowley

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15
Q

if magma has a high viscosity will it contain silica

A

more silica

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16
Q

what is piral plastic matairal

A

any solid materail that erups from a volcano

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17
Q

what is the smallest piral plastic material

A

volcano blocks and bomobs are the largest pr

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18
Q

what are the gases that come from the volcanos

A

water vaper, carbon dioxied fiber dioxide

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19
Q

how are volcanos clasify

A

size shape and matiral

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20
Q

what percentage of water on earth is salt water

A

97%

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21
Q

what percentage of water on earth is fresh water

A

3%

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22
Q

where is the majorty of fresh water found

A

in glacors

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23
Q

where is the smaller percentage of freshwater found

A

in lakes ,rivers stored as ground water

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24
Q

what is precipitation

A

whe water vapor in the air cools and condeses

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25
what is runoff
water running off the land surface
26
what is inlitration
the process by which water enter the earths surace and becomes ground water
27
what is transpation
when plants release water vapor into the atmosphere through their leaves
28
what is evaperation
when water enter the atmosphere as water vapor
29
what is condetion
whem water vapor collides with other water vapor molecules to form water drops
30
what is the water cycle
water in the land goes to the atmosphere and evetley go back
31
what is an unsaturarated zone for groundwater storage
a prous area where water easily passes through
32
what is saturated zone for ground water storage
benaeth the unsatyraded zine where water completely fills the pore space
33
what is a water table
the upper boundr of the saturaded zone
34
what does it mean if sedement is permeable
the materail is the eaier water can infiltrate through the ground
35
what is an aquifarer
a rock unit that can transfer water through its pore space
36
what is the name of the great plains aquifar
ogallala auifar
37
how many states does the great plains aquifar run through
8 states
38
what are the names of the states that the great plains aquifar runs through
colorado south dokata, wypming, nebraska, kansas oklamhoma, new mexico, and texes
39
jet stream
a narrow band of fast moving high altitude air
40
coriolis effect
the apperant object of an object due to earths rotation
41
air mass
a large volume of air with iniform moisture and temprture
42
weather front
air masses interact in zones
43
how many jet streams are there in the world
4
44
how many pressure systems are there
2
45
what kow pressure system know as
Low
46
which dirrection does a low rotate
counter clockwise
47
what are some resualts of a low pressure system
air rises clouds form and creates preception
48
what is a high pressure known ass
high
49
which direcction does a high pressure system rotate
clockwise
50
what are the four wheather fronts
cold front, warm front. stationary, occluded front
51
how are cold front created
cold air forces warm air in a fast chaotic matter
52
what is climate
long termaverge of weather condtions
53
what is weather
day to day conditions
54
what are the 5 spheres that make up earths
atmosphere crysphere lithosphere hydrospher
55
what is the atmosphere
the air around us
56
what is the biosphere
it is evething organic
57
what is hydrosphere
it is liquid water
58
what is cryosphere
its is frozen water in snow, ice, and glacoirs
59
what is lithosphere
it is the earths outmost layer
60
what is the primairy facter that inluences climate
latitude
61
where is solar radition most intence on earths surface
equator
62
at what degrees the the sun rise hit the tropical zones
90%
63
at which degrees do the sun rays hit
45 degrees
64
at which angle do the sun rays hit the polar zone
30%
65
which zone is lamar colorado located in
temprete
66
what other facter determen climate
precepitation,mountines and water
67
what is the windard side condition like
air is cool a wet vetigation
68
what are the condition like on a leeward side
temperline
69
what is a land breez
when the wind blows from land to sea
70
what type of climate zone and vegetation does lamar have
wamr semi air grass land
71
what are two factors that effect grandfather strength
the mass between them
72
which diamiter is longer pole to pole or to the equator
to the equator
73
what does the magnitic feild protect the earth from
harmfull radiation from the sun
74
which hemishpere the south magnitic pole located in
in the northern shpere
75
what degrees the earths axis rotation
11.7
76
can the magntic poles change
yes
77
how often do they occur
every 2,000 years
78
when was the last time it occoured
780,000 years ago
79
what are the two scientific names
arurora borealis for northern lights and aurora ausrailis
80
how are the auroras created
from the sun and the atmospshere.
81
when is earth closest to the sun
january
82
when is the earth farthest from the sun
july
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