Questions and Answers A+ Graded
What .is .the .definition .of .meteorology? .- .CORRECT .ANSWER-The .study .of .the
.atmosphere .and .the .associated .weather .phenomena
What .are .the .functions .and .applications .of .meteorology? .- .CORRECT .ANSWER-
1) .Weather .observation .and .forecasting
2) .Computer .modeling .of .the .atmosphere
3) .analyzing, .monitoring, .and .predicting .air .pollution
4) .Earth .science .education
5) .Helping .industries .(agriculture, .energy, .aviation, .insurance, .etc.) .manage .the
.risks .posed .by .weather
6) .Assisting .emergency .managers .and .disaster .planners
7) .Studying .Earth's .climate .and .climate .change
What .is .the .composition .of .the .atmosphere .(Permanent .Gases)? .- .CORRECT
.ANSWER-1) .Nitrogen .(N2)- .78.08%
2) .Oxygen .(O2)- .20.95%
3) .Argon .(Ar)- ..93%
4) .Neon .(Ne)- ..0018%
Define .radiation .- .CORRECT .ANSWER-the .emission .and .transmission .of .energy
.through .particles .or .waves
Define .electromagnetic .spectrum .- .CORRECT .ANSWER-the .range .of
.wavelengths .or .frequencies .over .which .electromagnetic .radiation .extends.
Define .conduction .- .CORRECT .ANSWER-The .transfer .kinetic .of .energy .from
.particle .to .particle.
Give .and .example .of .conduction .- .CORRECT .ANSWER-Cold .spoon .into .hot
.soup
Define .thermal .conductivity .- .CORRECT .ANSWER-The .ability .of .an .object .to
.transfer .heat
Why .is .the .air .closest .to .the .surface .warmer .during .the .day? .- .CORRECT
.ANSWER-conduction .from .the .earth's .surface .to .the .air .in .contact .with .it
,Why .is .the .air .closest .to .the .surface .cooler .at .night? .- .CORRECT .ANSWER-
earth's .surface .has .a .radiation .deficit, .thus .cooling .and .conduction .then .cools
.the .air .in .contact .with .the .surface
What .is .a .nocturnal .inversion? .- .CORRECT .ANSWER-When .low .level .air
.temperatures .are .cooler .due .to .conduction, .while .temperature .of .the .air .above
.increases .with .altitude
Define .convection .- .CORRECT .ANSWER-The .transfer .of .heat .via .vertical
.movement .of .air
What .is .free .convection? .- .CORRECT .ANSWER-Warm .air .rising .freely
Define .Planck's .law .- .CORRECT .ANSWER-Every .object .emits .radiation .at .all
.times .and .at .all .wavelengths.
Define .Wien's .Law .- .CORRECT .ANSWER-The .hotter .an .object, .the .shorter .the
.wavelength .at .maximum .emission. .(The .hotter .the .object .the .brighter)
According .to .Wein's .law .where .does .peak .emission .occur? .- .CORRECT
.ANSWER-At .infrared .wavelengths
Stephan-Boltzmann .Law .- .CORRECT .ANSWER-As .temperature .increases .so
.does .the .amount .of .energy .emitted
Kirchhoff's .Law .- .CORRECT .ANSWER-With .constant .temperature, .an .object .that
.absorbs .radiation .efficiently .at .a .particular .wavelength .will .also .emit .radiation
.efficiently .at .that .wavelength.
When .electromagnetic .radiation .strikes .a .surface .what .can .happen .to .the
.radiation? .- .CORRECT .ANSWER-1) .Absorption
2) .Scattering
3) .Transmission
Define .radiation .transmission .- .CORRECT .ANSWER-When .radiation .passes
.through .an .object .virtually .unaffected
What .is .an .example .of .radiation .transmission .- .CORRECT .ANSWER-Visible .light
.passing .through .a .glass .window
Describe .radiation .absorption .- .CORRECT .ANSWER-Extinguishing .of .radiation,
.amount .of .radiation .extinguished .depends .on .radiation .wavelength .and .object
.composition
Describe .radiation .scattering .- .CORRECT .ANSWER-Reflecting .of .radiation .off
.an .object
What .is .forward .scattering? .- .CORRECT .ANSWER-When .radiation .scatters .in .a
.forward .direction
, What .is .back-scattering? .- .CORRECT .ANSWER-When .radiation .returns .in .the
.direction .it .came .from
What .is .albedo? .- .CORRECT .ANSWER-The .portion .of .solar .radiation .that .is
.scattered
Describe .the .greenhouse .effect. .- .CORRECT .ANSWER-the .warming .of .the
.surface .and .lower .atmosphere .of .Earth .that .occurs .when .greenhouse .gases .in
.the .air .absorb .and .re-radiate .infrared .radiation
What .are .some .greenhouse .gases? .- .CORRECT .ANSWER-1) .Water .Vapor
2) .Carbon .Dioxide
3) .Methane
4) .Nitrous .Oxide
How .does .Wein's .law .apply .to .the .greenhouse .effect? .- .CORRECT .ANSWER-
Peak .emissions .in .the .IR .range .emmitt .upwards .and .are .absorbed .by
.greenhouse .gases
How .does .Kirchoff's .law .apply .to .the .greenhouse .effect? .- .CORRECT .ANSWER-
greenhouse .gases .that .absorb .radiation .efficiently .also .emmitt .that .same
.radiation
Why .is .the .greenhouse .effect .important? .- .CORRECT .ANSWER-It .keeps .earth
.warm .enough .for .humans .to .live
What .is .the .biggest .cause .of .global .warming? .- .CORRECT .ANSWER-The .adding
.of .carbon .dioxide .to .the .atmosphere .amplifying .the .greenhouse .effect
What .is .an .Eddy? .- .CORRECT .ANSWER-Turbulent .swirls .of .air
What .are .the .two .types .of .eddys? .- .CORRECT .ANSWER-1) .Turbulent
2) .Convective
How .is .a .turbulent .eddy .formed? .- .CORRECT .ANSWER-Wind .that .blows .over .a
.rough .surface .or .collides .with .an .object
How .is .a .convective .eddy .formed? .- .CORRECT .ANSWER-When .less .buoyant .air
.rises .and .displaces .cooler .air, .thermals .are .a .convective .eddy
What .is .the .approximate .tilt .of .the .earth's .axis? .- .CORRECT .ANSWER-23.5
.degrees
What .causes .the .seasons? .- .CORRECT .ANSWER-The .tilt .of .the .Earth's .axis,
.and .the .angle .the .sunlight .strikes .the .surface.
When .does .winter .begin? .- .CORRECT .ANSWER-Winter .solstice