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Earth Science Unit 5: WEATHER PT1 Flashcards | StudBud
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Earth Science Unit 5: WEATHER PT1
Earth Science Unit 5: WEATHER PT1
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1
The Closer the Temperature is to the Dewpoint...
The most likely it is sunny weather (clear skies)
The most likely it is to rain (precip)
The most likely it is to snow
2
Earth's Atmosphere has....
3 layers
5 layers
4 layers
2 layers
3
At high pressure points...
Air goes inwards, and counter clockwise
Air goes outwards and clockwise
4
The Circulation around a low pressure system is
LOC (Low, Outward, Clockwise)
LOCC (Low, Outward, Counter-Clockwise)
LICC (Low, Inward, Counter-Clockwise)
LIC (Low, Inward, Clockwise)
5
The Poles are...
High Pressure
Low Pressure
6
Land Breeze Occurs
Nighttime, land is hot (Low Pressure),Ocean is cool (High Pressure)(L to H)
Daytime, land is cool (Low Pressure), Ocean is warm (High Pressure)(H to L)
Daytime, land is hot (Low Pressure), Ocean is cold (High Pressure) (H to L)
Nighttime, land is cold (High Pressure, Ocean is hot (Low pressure)(L to H)
7
Monsoons develop as a result of
air rising over Earth's equatorial region
air sinking over Earth's polar regions
large changes between the temperatures of a continent & neighboring oceans
a continent and neighboring oceans having nearly the same temperatures
8
As altitude increases, pressure
decreases
increases
9
Precipitation and storms occur in High (H) Pressure centers
True
False
10
Low Pressure areas are
Warm due to warm air rising
Cold due to cold air sinking
11
How do clouds form?
Warm air rises, expands, cools to dewpoint, then condenses
Warm air rises, compresses, cools to dew point, then condenses
12
In front
of a
warm air
is very stable long, and little precip.
True
False
13
Hurricanes form in..
Ocean, Fall
Ocean, Summer
Ocean, Spring
Oceans, Winter
14
"High" Weather
Happy, Nice, Cool, and Dry (no precip)
Happy, Fun, Warm, Wet (no precip)
Lousy, Bad, Warm, and Wet (precip)
Lousy, Bad, Cool, and Dry (precip)
15
As humidity increases, pressure...
decreases
increases
16
What is the relationship between Altitude and Pressure?
Static
Direct
Cylic
Inverse
17
The 500 rule for barometric pressure on a station model is...
Over 500, add 9. Under 500, add 10
Over 500, add 10. Under 500, add 9.
18
At the cold front, air is very stable and there is rarely ever precip.
False
True
19
A hygrometer measures...
Temperature
Dewpoint
How saturated water is
Precipitation
20
Hot Air:
Low Pressure
High Pressure
21
A Rain Gauge measures
Precipitation
Dewpoint
How saturated water is
Temperature
22
Tornadoes are
short lasting & small
long lasting & large
23
Relative Humidity is....
Percent of water in the air
Tempurature at which the air is fully saturated with water
Weight of Air at sea level
24
Which layer of the atmosphere has the most water vapor & precipitation?
Troposphere
Tropopause
Stratosphere
Mesosphere
25
Close Isobars on a Map mean...
A fast wind speed, far apart, calm winds
Broad Slope
A slow wind speed, close together, wild winds
Gentle Slope
26
What is the
source region
of a
warm
and moist (mT) air mass
Gulf Of Mexico
The Sun
Texas
Equator
27
As gradient increases, wind speed...
increases
decreases
28
What is the
source region
of a
cold
and dry (cP) Air Mass?
Central Canada
The Poles
Alaska
29
Wind is caused by difference in Air Pressure (H or L)
False
True
30
Sling Psychrometer measures
Dew point and Relative Humidity
Temperature and Pressure
Wind Speed and Direction
Temperature and Dewpoint
31
At high pressure, air...
rises
sinks
32
Normal air pressure at Sea Level is....
2 atm
3 atm
1 atm
4 atm
33
Land heats up slower than the Ocean
True
False
34
The Coriolis Effect is caused by....
Earth's revolution
Earths rotation
35
3 main factors that affect air pressure from
most to least
Moisture, Altitude, Temperature
Temperature, Moisture, Altitude
Altitude, Moisture, Temperature
36
Warm air rises because....
It is less dense than cold air and the molecules are close together
It is more dense than cold air the molecules are far apart
It is less dense than cold air and the molecules are far apart
It is more dense than cold air and the molecules are close together
37
How are winds named?
Their origin (from)
Their direction
38
What causes wind?
Difference in Temperature
Difference in humidity
Difference in Air pressure
39
Cloud droplets that form on tiny dust particles in the air are called.....
Condensation Nuclei
Precipitation
Rain Droplets
40
Warm air holds more water vapor than cold air
False
True
41
At low pressure points....
Air goes inwards, and counter clockwise
Air goes outwards and clockwise
42
As temperature increases, pressure
decreases
increases
43
The Equator is....
High Pressure
Low Pressure
44
A wind vane measures
Wind Speed
Direction of where wind comes from
Dew point and relative humidity
45
A barometer measures wind speed
False
True
46
At low pressure, air...
sinks
rises
47
Most weather systems in the US move
East to West
West to East
48
The closer the isolines, the _____ the wind speed
slower
faster
49
Meterorolgy
the study of rocks
the study about meteors
the study of energy
the study of weather
50
Sky Cover measures
the amount of precipitation
the amount of cloud coverage using your eyesight
51
To prepare for ANY natural disaster...
Radio, First Aid Kit, Batteries, Food/Water supply
idk hide
52
"Low" Weather
Happy, Nice, Cool, and Dry (no precip)
Lousy, Bad, Cool, and Dry (precip)
Happy, Fun, Warm, Wet (no precip)
Lousy, Bad, Warm, and Wet (precip)
53
Clouds may form in High Pressure areas
False
True
54
Hurricanes lose strength as they move over land or cool water
True
False
55
Sea Breeze Occurs
Nighttime, land is cool (High Pressure,Ocean is warm (Low pressure)(L to H)
Daytime, land is cool (Low Pressure), Ocean is warm (High Pressure)(H to L)
Nighttime, land is hot (Low Pressure),Ocean is cool (High Pressure)(L to H)
Daytime, land is hot (Low Pressure), Ocean is cold (High Pressure) (H to L)
56
The
Ozone
is located in the...
Troposphere
Thermosphere
Stratosphere
Mesosphere
57
CORIOLIS EFFECT: Winds Deflect LEFT in Northern Hemisphere
False
True
58
Greater gradient means____ wind speed
faster
slower
59
Wind speed is measured by
barometer
wind vane
sling psychrometer
anemometer
60
Dewpoint is the
Weight of Air at sea level
Percent of water in the air
Tempurature at which the air is fully saturated with water
61
The Circulation around a High Pressure system is...
HICC (High, Outward, Counter-Clockwise)
HIC (High, Outward, Clockwise)
HOCC (High, Outward, Counter-Clockwise)
HOC (High, Outward, Clockwise
62
100% relative humidity means
no precip, clouds or fog
precip., clouds, and fog
63
High Pressure areas are
Cold due to cold air sinking
Warm due to warm air rising
64
Cold Air:
High Pressure
Low Pressure
65
Visibility measures
distance to latitude
distance to horizon
distance to altitude
distance to Zenith
66
Distance to the horizon is determined by
Eyesight
Anemometer
Wind Vane
