science 8th grade final exam Flashcards
know ALL of these (151 cards)
1
Q
water in liquid or solid form that falls from atmosphere
A
precipitation
2
Q
boundry between two air masses -(LIST) term
A
front (LIST) -term
3
Q
temp where air is staurated and condensation can occur- term
A
dew point - term
4
Q
atmosphereic condinations at a certain place and time - term
A
weather -term
5
Q
lines that connect places on a map where perssure is the same - term
A
isobar -term
6
Q
amt of water vapor in air comaperd to amt of water vapor the air could contain -term
A
relitive huminity -term
7
Q
lines on a map that connesct place of the same temp - term
A
isotherm - term
8
Q
study of weather - term
A
meteroligy -term
9
Q
list three standerd weather variables
A
wind speed
temp
air pressure
10
Q
clouds form when
A
water goes form gas to liquid
11
Q
what sinking air system usally brings fair weather
A
high pressure system
12
Q
contains measurements of temp air pressure humitity wind speed wind Direction and percipitation
A
surface report
13
Q
causes weather to be same for days in a row
A
air mass
14
Q
what causes air to reach its dew point
A
dropping temps
15
Q
what do isobars on a map repersent
A
strong winds
16
Q
unit of air pressure
A
millibars
17
Q
unit for huminity
A
g/m(3)
18
Q
scale for intensity for tornatos
A
modified fujia scale
19
Q
type or fron that forms when boundry between two air masses stalls
A
stationary
20
Q
when cold front catches up with with slow warm front
A
occluded
21
Q
weather variable that discribel how fast wind dirention blows
A
wind direction and speed
22
Q
weather variable taht is the amt of water vapor in the air
A
humidity
23
Q
measure of advrage kentic energy of molucules in air
A
temp
24
Q
preasure a column of air applies on air surface below it
A
air preasure
25
how much of sky that is coverd in clouds
cloud covreage
26
instrement to mesure temp of air
thermometer
27
insterment used to measura weather variabes above earths surface
raidosonde
28
meaureues wind Speed
anemometer
29
measures speed of movement of percipitation
dopplar radar
30
measures air presaaure
barometer
31
measures relitive humitity
psychrometer
32
list 4 things you see on a weather map (LIST)
hight or low perssure system, tep
percipitaion
cloud cover
fronts, dewpoints (LIST)
33
change in climate due to changing tilt of earth -term
season - term
34
long term aderage weather conditions for a certain region- term
climate -term
35
amt of heat needed to rain temps os 1kg of water by1 degree c-term
spicfic heat -term
36
effect of greenhouse gasses on earth temps -term
greenhouse effect -term
37
rise in earths advrage surface temps during past 100 years
global warmng
38
is spicific heat or water higher or lower than spicfic heat of land
higher
39
three things that cause long term cilmate cycles
tilt or earth
slow movements of contients
rotations is orbit
40
3 things used to classify climates
temp
precip
regetation
41
how do greenhouse gasses keepn esrth warm
absorb outgoing radiation
42
date of summer solstice
june 21/22
43
date of winter solstice
dec 21/22
44
date of fall equnoix
sept 22/23
45
date of spring equnoix
march 21/22
46
attraction or unlike molecules - term
adhesion -term
47
atraction of like molecules -term
cohesion -term
48
process of liquid changing to gas at surface of the liquid -term
evapoation -term
49
measure of cloudieness of water- term (LIST)
trubindy -term (LIST)
50
chemical biological and phisical status of a body of water -term
wtaer quality -term
51
all water in earth atmosphere -term
hydrosphere -term
52
process of gas cganging to liquid -term
condensation -term
53
evaporation of water from plants -term
transpitation -term
54
natural porcesses by witch wter moves
water cycle
55
makes a water molecule a pola molecule
opp ends of moleclues hsve slghtily diff chsarges
56
why does ice float in water
the ice is less dense
57
why do fush survive in cold lakes amd waters
ice on surface insulates
58
what mloves water fron roots to leaves
adhesion to cohesion
59
where is most of the water on earth
in oceans
60
what happens to o2 levels and water gets hotter
it decresses
61
two main factors that drive water cycle
gravity
suns evergy
62
what could cause an agal bloom
to mjuch nitrait in water
63
used to measure turbindy in water
secchi disk
64
if polluntant intoalrant fish are missing in river what does this mean
poor water quality
65
whAt is the universal solvent
water
66
made up of the frozen water on earth
cryosphere
67
insects walking on water is due to
cohesion
68
menisscus on a gradated clyender is due to
adhesion
69
list 4 things tested for to determin water quality (LIST) - terms
ph
turbindy
temp of dissolved o2
nitrartes (LIST) -terms
70
lowest part of a wave- term
trough- term
71
horazontal distance form cerst to crest or trough to trough-term
wavelengh-term
72
measure of mass of dissolved solids in a mass of water-term
salinity-term
73
highest part of a wave - term
cerst -term
74
only organisms that live in this pt of ocean can make food
surface zone
75
how does density of water change as deph inceases in oceans
in incereases
76
freshwater mixed with salt water
brackish water
77
alimet of earth moom and sun tahg causes spring tides
straight line
78
aliment of earth moon and sun that causes spring tides
form right angle
79
why do oceans curents effect earth climate and weather
thety release thermal evergy and moisture
80
causes coral bleaching
temp changes
81
precend of earth taht is salt water
97%
82
fertilizer runoff can cause excess of these on water
nutrients
83
area where oceans and rivers meet
easturatry
84
list 2 everygy resorces that comes form ocenas (list)
oil , natural gas
methane hydrates (list)
85
list 5 ocean from largrst to smalest
Pacific
Atlantic
Indian
Southern
Artic (list) PAISA
86
3 elemests found in sea water
calcium chlorine
magneasium soduim
potacium
87
4 phical charteristics used to divide oceans into zones (list)
salinity
denisty
temp
amt of sunlight (list)
88
measure of waters ablilty to flow throught rock and sediment -term
premablity -term
89
measure of rocks abliity to hold water -term
porostiy -term
90
area that drains runoff in a certain stream -term
watershed -term
91
area of sediment that holds lots of water -term
aquafier-term
92
water with less taht 0.2% of salt disslovedin it -term
freswater -term
93
area of land satruated in water for all or part or the year -term
wetlands-term
94
most of the freshwater on earth
glaciers
95
smallest to lstgrst the small bodies of water
creeks
rivers
estuaries
96
can larger watersheds be broken into smaller watersheds
yes
97
human activity that causes desturuction of wetlsnds
contruiction
98
type of surface on earth that reflects most solar energy that hits it
ice sheet
99
2 major souruscers of poltuion in streams and lakes
fertillization
pesticides in runoff
100
describle most uesfull aquafiers
high premablitiy hight prnbality
101
wells are drilled into these
aquafiers
102
4 resons weltlands are importat
act at filter
habiotats for orgamisms
enrosion control
flood control
103
porcess taht spilts atoms and releases energy-term
nulclear fission-term
104
rescorces used faster then able to be relplaced -term
nonrenewable=term
105
rescource tahg can be replaced -term
renewable -term
106
appliecnxed pluged in 24 hours a day use thiks energu -term
vampire evergy-term
107
practice use of renewable rescource
istanlling solar panals on roof
108
give a nonrenewable recourse
mineral oil coal
109
factor taht would determin if house is sutiable fo soalr evergy
of sunny days per year
110
natural event that leads to air polution
volcanic eruption
111
dissadvagate of hdroelectirc pwoer
can harm fish and things
112
why is land a rescource
used to grow corps and ine minirals
113
oil and natural gas forms form (list)
dead marine planktion (list)
114
2 nonrenable rescourses
natural gas
oil
115
2 renewable rescources
boimass ,water
geothermal, wind
116
coal forms from (lisyt)
dead plants (LIST)
117
TPYE OF evaergy that uses coal oil and natural gas (list)
fossil fules(lisy)
118
tyoe of evergy that uses wood (list)
boimass (list)
119
type of evnrgy tajht uses rivers
water
120
type of ebergy that suses suns evergy
solar
121
type of evergy that uses uranium (list)
nuclear (list)
122
type of everg tht uses evetgy form evatrhs interior
geothermal
123
list 3 souurces of vampire evegy (list)
printer
TV
warshing machine (list)
124
any small object that arbits a larger one -term
satielite-term
125
life outside of earth-term
extraterestiral -term
126
advantage todays atromers have
telescopes
127
teloscop taht collests light
optical
128
telescope that collects radowaves
radio
129
uses convex lenses to get light
refracting
130
uses refledcting morrors
reflecting
131
firsgt optical telescope launched into space
hubble
132
earths natural statlighte
moon
133
earth is astaelight of
the sun
134
fkrst earth orbiting satelight
spudunik
135
first staelight luncged by us
explorer 1
136
24 staelighs taht orbit earth for navigation
GPS
137
spacy agentcy made by congress
NASA
138
challange to get someone on the moon
project apallo
139
two ppl first on the moon (list)
armstorng
aldrin (list)
140
whast scientist think is requierd for life
water
141
speed of light
300,00 kms
142
colors of the visable specturm (list)
red
orange
yellow
green
blue
indigo
violet (list)
143
3 thisng taht are a result for space exploration (list)
braces
running shoes
arilfical limbs
144
day when earths rotation is most twoar or away firm the sun
solstice
145
path an object follws as it moves around another obkect
orbit
146
when earths roation axis is lening along earths orbit
equinox
147
motion of one obje around abother
revolution
148
spinning motion aourd an axis
rotation
149
property of sun that causes gravitational attraction with earth
mass
150
what would change id earth roatetd east to west
suns apraent motion
151
