WLAC Geology Practice Quiz
Description
Flag question: Question 1Question
1. What is the largest component of Earths atmosphere
Group of answer choicesOxygen
Nitrogen
Water Vapor
Carbon Dioxide
Flag question: Question 2Question
2. The strongest greenhouse gas
Group of answer choicesMethane
Dust
Carbon Dioxide
Water Vapor
Flag question: Question 3Question
3. A temperature inversion is characterized by air temperature that
Group of answer choicesincreases with altitude
nobody knows
stays the same
decreases with altitude
Flag question: Question 4Question
4. Atmospheric pressure at sea level is generally
Group of answer choiceshow would I know?
lower than in the mountains
stays the same as in the mountains
higher than in the mountains
Flag question: Question 5Question
5. Its a cool and cloudy morning at Long Beach. The temperature is 62 and the dewpoint is 59. A pilot takes off from Long Beach airport and notices the temperature jumps to 85 degrees at an altitude of 3,000 ft along his initial ascent where the sun is shining and the sky is a stunning blue above a white ocean of clouds. This weather scene is technically known as a
Group of answer choicescyclogenesis
offshore wind
temperature inversion
sign of convective instability
Flag question: Question 6Question
6. What heats up and also cools down slower?
Group of answer choicesland
land and water
water
neither
Flag question: Question 7Question
7. A typical storm is usually known as?
Group of answer choicesa dynamic high
a thermal low
a thermal high
a dynamic low
Flag question: Question 8Question
8. The ITCZ or Inter Tropical Convergence Zone is a good example of a
Group of answer choicescold frontal system
warm and dry airmass
mid latitude cyclone
global equatorial zone
9. Its 40 degrees Fahrenheit in the Great Basin of Nevada on a particular day in November. The surface winds are blowing out of the area in response to this cold weather, what kind of a weather system is this indicative of (over the Great Basin)?
Group of answer choicesdynamic low
thermal high
dynamic high
thermal low
10. Its 95 degrees in Glendale and 65 degrees in Santa Monica, given what we have learned so far about weather and local winds what kind of a wind might you expect between Santa Monica and Glendale (choose the best answer)?
Group of answer choiceshurricane
sea breeze
land breeze
Chinook
11. A sea breeze is an example of
Group of answer choiceshurricane
onshore flow
tornado
offshore flow
12. The following chart indicates areas of wind energy at an altitude of about 30,000 feet or so above sea level.
This jet stream is located
Group of answer choicesbetween Asia and California
over Alaska
across the north pole
over the equator
13. The jet stream in the previous chart is what would normally be expected during
Group of answer choiceswinter
summer
climate change
hurricane formation
14. During the winter the jet stream typically
Group of answer choicesdisappears
gets stronger and further south
gets weaker and further north
is confined to the Arctic
15. The strongest jet stream energy is associated with
Group of answer choiceswarm northern latitudes (Arctic) and cold southern latitudes (equatorial region)
cold northern latitudes (Arctic) and warm southern latitudes (equatorial region)
equal temperatures globally
climate change
16. California’s rain and mountain snow that is common during the winter season is usually a result of
Group of answer choicesstorms being delivered by a strong jet stream
Santa Ana winds with strong high pressure
the sea breeze
weak jet stream energy and warm Arctic temperatures
17. During the summer the jet stream typically
Group of answer choicesaffects California the most frequently
strenthens and heads toward the equator as temperatures warm up
weakens and heads back toward the Arctic as temperatures warm up
stays the same as during the winter
18. Here is a chart of Arctic sea ice concentration since the early 2000s until 2019. There is an abrupt curve exhibited on this graph with Arctic sea ice volume sharply declining (and a lot of ice melting) between April until September. This is a result of
Group of answer choicesmanipulated data as there has not been any Arctic sea ice in the summer for nearly a decade
the sun being directly overhead and shining on the Arctic continuously with 24-hour sunlight and no sunset and no night for 6 months straight at the North Pole
global warming also known as climate change
instrumentation error as it is very difficult to get accurate readings that far north in the world
19. Some of the most extreme weather to have ever hit California with multi-decades-long drought, searing heat characterized by unbelievable temperature readings (133 degrees in Santa Barbara), devastating floods that left huge parts of the state under water for up to 6 months and more happened during the
Group of answer choices2000s
mid 1800s
early 1900s
late 1990s
20. The fact that heat and cold go through fluctuations, with some areas hotter and others colder, some years warmer and others colder and by extension some places drier while others wetter is a result of
Group of answer choicesmysterious processes that have no explanation
fake news since the weather is always similar
increase in global greenhouse gas emissions like Carbon Dioxide
changes in atmospheric pressure configurations that result in what we call weather
21. When the air is warmer near the surface and colder in the upper atmosphere, oftentimes evident by the development of upward rising cumulus clouds, the conditions are said to be
Group of answer choicestectonically active
the result of a temperature inversion
stable
unstable
22. Lightning, heavy rain, strong winds, hail and even tornadoes are the result of
Group of answer choicesatmospheric stability
drought
convection
the marine layer inversion
23. On a particular day not too long ago a cold pocket of air aloft, characterized by temperatures of -23 C (-9 F) at 18,000 feet moved over southern California, associated with a late-season trough of low pressure. During the late morning to early afternoon temperatures were still in the mid to upper 50s under overcast skies with drizzle and even light rain falling around downtown Los Angeles. Temperatures were similarly cool and it was also cloudy in the San Fernando Valley. Meanwhile, skies were partly cloudy across the high desert were temperatures were generally in the mid to upper 60s at the same time. Given this information where would you expect the greatest instability was developing?
Group of answer choicesLos Angeles basin
nowhere
San Fernando Valley
high desert
24. Where would you expect the greatest chance of thunderstorms to form that afternoon?
Group of answer choiceshigh desert
nowhere
Los Angeles basin
San Fernando Valley
Flag question: Question 25 pts
25. If there is a mid-latitude cyclone with cold air aloft moving in, the temperatures near the surface are warmer than above, there is adequate moisture available for cloud formation, the winds at ground level are coming in from the Southeast at 15 knots, as altitude increases the wind is observed to be increasing as well changing direction to South at 5,000 feet , then Southwest at 18,000 feet with a strength of 60 knots. The Doppler radar begins to pick up on a developing and intensifying cell with light green around the edges and yellow, orange and even red toward the middle. If you were a forecaster you would begin to consider the possibility of
Group of answer choicestornadoes
a hurricane
Santa Ana winds
a blizzard
26. Los Angeles rainfall has been
Group of answer choicesdramatically decreasing with permanent drought conditions now the rule
too complicated to think about
continuously increasing with more rain now than ever before
going through cycles of some years having more, others having less and others seeing about average
27. The notion that tornadoes do not occur in California is
Group of answer choicessomething that everyone knows because this is earthquake territory
true because the jet stream stays away
true because there are mountains and valleys
a myth
28. When the temperature and dewpoint temperature are not equal
Group of answer choicesthe air is not saturated
it gets much cooler
the air is saturated
clouds and fog form
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